diff --git a/CleanSpec.mk b/CleanSpec.mk
index 52a1b1f..4591fb7 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -315,6 +315,10 @@
 # an ABI change since the names will mangle differently.
 $(call add-clean-step, rm -rf $(OUT_DIR))
 
+# Remove ro.product.locale.language/country and add ro.product.locale
+# instead.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index fca3313..85c575b 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -156,29 +156,12 @@
   BUILD_DISPLAY_ID := $(build_desc)
 endif
 
-# Whether there is default locale set in PRODUCT_PROPERTY_OVERRIDES
-product_property_override_locale_language := $(strip \
-    $(patsubst ro.product.locale.language=%,%,\
-    $(filter ro.product.locale.language=%,$(PRODUCT_PROPERTY_OVERRIDES))))
-product_property_overrides_locale_region := $(strip \
-    $(patsubst ro.product.locale.region=%,%,\
-    $(filter ro.product.locale.region=%,$(PRODUCT_PROPERTY_OVERRIDES))))
-
-# Selects the first locale in the list given as the argument,
-# and splits it into language and region, which each may be
-# empty.
-define default-locale
-$(subst _, , $(firstword $(1)))
-endef
-
-# Selects the first locale in the list given as the argument
-# and returns the language (or the region), if it's not set in PRODUCT_PROPERTY_OVERRIDES;
-# Return empty string if it's already set in PRODUCT_PROPERTY_OVERRIDES.
-define default-locale-language
-$(if $(product_property_override_locale_language),,$(word 1, $(call default-locale, $(1))))
-endef
-define default-locale-region
-$(if $(product_property_overrides_locale_region),,$(word 2, $(call default-locale, $(1))))
+# Accepts a whitespace separated list of product locales such as
+# (en_US en_AU en_GB...) and returns the first locale in the list with
+# underscores replaced with hyphens. In the example above, this will
+# return "en-US".
+define get-default-product-locale
+$(strip $(subst _,-, $(firstword $(1))))
 endef
 
 BUILDINFO_SH := build/tools/buildinfo.sh
@@ -203,8 +186,7 @@
 			TARGET_DEVICE="$(TARGET_DEVICE)" \
 			PRODUCT_NAME="$(TARGET_PRODUCT)" \
 			PRODUCT_BRAND="$(PRODUCT_BRAND)" \
-			PRODUCT_DEFAULT_LANGUAGE="$(call default-locale-language,$(PRODUCT_LOCALES))" \
-			PRODUCT_DEFAULT_REGION="$(call default-locale-region,$(PRODUCT_LOCALES))" \
+			PRODUCT_DEFAULT_LOCALE="$(call get-default-product-locale,$(PRODUCT_LOCALES))" \
 			PRODUCT_DEFAULT_WIFI_CHANNELS="$(PRODUCT_DEFAULT_WIFI_CHANNELS)" \
 			PRODUCT_MODEL="$(PRODUCT_MODEL)" \
 			PRODUCT_MANUFACTURER="$(PRODUCT_MANUFACTURER)" \
@@ -700,8 +682,6 @@
 ifeq ($(TARGET_USERIMAGES_USE_F2FS),true)
 INTERNAL_USERIMAGES_DEPS += $(MKF2FSUSERIMG) $(MAKE_F2FS)
 endif
-else
-INTERNAL_USERIMAGES_DEPS := $(MKYAFFS2)
 endif
 
 INTERNAL_USERIMAGES_BINARY_PATHS := $(sort $(dir $(INTERNAL_USERIMAGES_DEPS)))
@@ -726,7 +706,6 @@
 $(if $(BOARD_VENDORIMAGE_PARTITION_SIZE),$(hide) echo "vendor_size=$(BOARD_VENDORIMAGE_PARTITION_SIZE)" >> $(1))
 $(if $(BOARD_OEMIMAGE_PARTITION_SIZE),$(hide) echo "oem_size=$(BOARD_OEMIMAGE_PARTITION_SIZE)" >> $(1))
 $(if $(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG),$(hide) echo "extfs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG)" >> $(1))
-$(if $(mkyaffs2_extra_flags),$(hide) echo "mkyaffs2_extra_flags=$(mkyaffs2_extra_flags)" >> $(1))
 $(hide) echo "selinux_fc=$(SELINUX_FC)" >> $(1)
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),$(hide) echo "verity=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY)" >> $(1))
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),$(hide) echo "verity_key=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY)" >> $(1))
@@ -837,6 +816,40 @@
 	@mkdir -p $(dir $@)
 	java -jar $(DUMPKEY_JAR) $(PRIVATE_OTA_PUBLIC_KEYS) $(extra_keys) > $@
 
+# $(1): output file
+define build-recoveryimage-target
+  @echo ----- Making recovery image ------
+  $(hide) rm -rf $(TARGET_RECOVERY_OUT)
+  $(hide) mkdir -p $(TARGET_RECOVERY_OUT)
+  $(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/etc $(TARGET_RECOVERY_ROOT_OUT)/tmp
+  @echo Copying baseline ramdisk...
+  $(hide) cp -R $(TARGET_ROOT_OUT) $(TARGET_RECOVERY_OUT)
+  @echo Modifying ramdisk contents...
+  $(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/init*.rc
+  $(hide) cp -f $(recovery_initrc) $(TARGET_RECOVERY_ROOT_OUT)/
+  $(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
+  $(hide) cp -f $(recovery_sepolicy) $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
+  $(hide) -cp $(TARGET_ROOT_OUT)/init.recovery.*.rc $(TARGET_RECOVERY_ROOT_OUT)/
+  $(hide) cp -f $(recovery_binary) $(TARGET_RECOVERY_ROOT_OUT)/sbin/
+  $(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/res
+  $(hide) rm -rf $(TARGET_RECOVERY_ROOT_OUT)/res/*
+  $(hide) cp -rf $(recovery_resources_common)/* $(TARGET_RECOVERY_ROOT_OUT)/res
+  $(hide) cp -f $(recovery_font) $(TARGET_RECOVERY_ROOT_OUT)/res/images/font.png
+  $(hide) $(foreach item,$(recovery_resources_private), \
+    cp -rf $(item) $(TARGET_RECOVERY_ROOT_OUT)/)
+  $(hide) $(foreach item,$(recovery_fstab), \
+    cp -f $(item) $(TARGET_RECOVERY_ROOT_OUT)/etc/recovery.fstab)
+  $(hide) cp $(RECOVERY_INSTALL_OTA_KEYS) $(TARGET_RECOVERY_ROOT_OUT)/res/keys
+  $(hide) cat $(INSTALLED_DEFAULT_PROP_TARGET) $(recovery_build_prop) \
+          > $(TARGET_RECOVERY_ROOT_OUT)/default.prop
+  $(hide) $(MKBOOTFS) $(TARGET_RECOVERY_ROOT_OUT) | $(MINIGZIP) > $(recovery_ramdisk)
+  $(hide) $(MKBOOTIMG) $(INTERNAL_RECOVERYIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(1)
+  $(if $(filter true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY)),\
+    $(BOOT_SIGNER) /recovery $(1) $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY) $(1))
+  $(hide) $(call assert-max-image-size,$(1),$(BOARD_RECOVERYIMAGE_PARTITION_SIZE))
+  @echo ----- Made recovery image: $(1) --------
+endef
+
 $(INSTALLED_RECOVERYIMAGE_TARGET): $(MKBOOTFS) $(MKBOOTIMG) $(MINIGZIP) \
 		$(INSTALLED_RAMDISK_TARGET) \
 		$(INSTALLED_BOOTIMAGE_TARGET) \
@@ -846,42 +859,17 @@
 		$(recovery_build_prop) $(recovery_resource_deps) \
 		$(recovery_fstab) \
 		$(RECOVERY_INSTALL_OTA_KEYS)
-	@echo ----- Making recovery image ------
-	$(hide) rm -rf $(TARGET_RECOVERY_OUT)
-	$(hide) mkdir -p $(TARGET_RECOVERY_OUT)
-	$(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/etc $(TARGET_RECOVERY_ROOT_OUT)/tmp
-	@echo Copying baseline ramdisk...
-	$(hide) cp -R $(TARGET_ROOT_OUT) $(TARGET_RECOVERY_OUT)
-	@echo Modifying ramdisk contents...
-	$(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/init*.rc
-	$(hide) cp -f $(recovery_initrc) $(TARGET_RECOVERY_ROOT_OUT)/
-	$(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
-	$(hide) cp -f $(recovery_sepolicy) $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
-	$(hide) -cp $(TARGET_ROOT_OUT)/init.recovery.*.rc $(TARGET_RECOVERY_ROOT_OUT)/
-	$(hide) cp -f $(recovery_binary) $(TARGET_RECOVERY_ROOT_OUT)/sbin/
-	$(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/res
-	$(hide) rm -rf $(TARGET_RECOVERY_ROOT_OUT)/res/*
-	$(hide) cp -rf $(recovery_resources_common)/* $(TARGET_RECOVERY_ROOT_OUT)/res
-	$(hide) cp -f $(recovery_font) $(TARGET_RECOVERY_ROOT_OUT)/res/images/font.png
-	$(hide) $(foreach item,$(recovery_resources_private), \
-	  cp -rf $(item) $(TARGET_RECOVERY_ROOT_OUT)/)
-	$(hide) $(foreach item,$(recovery_fstab), \
-	  cp -f $(item) $(TARGET_RECOVERY_ROOT_OUT)/etc/recovery.fstab)
-	$(hide) cp $(RECOVERY_INSTALL_OTA_KEYS) $(TARGET_RECOVERY_ROOT_OUT)/res/keys
-	$(hide) cat $(INSTALLED_DEFAULT_PROP_TARGET) $(recovery_build_prop) \
-	        > $(TARGET_RECOVERY_ROOT_OUT)/default.prop
-	$(hide) $(MKBOOTFS) $(TARGET_RECOVERY_ROOT_OUT) | $(MINIGZIP) > $(recovery_ramdisk)
-	$(hide) $(MKBOOTIMG) $(INTERNAL_RECOVERYIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
-ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY))
-	$(BOOT_SIGNER) /recovery $@ $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY) $@
-endif
-	$(hide) $(call assert-max-image-size,$@,$(BOARD_RECOVERYIMAGE_PARTITION_SIZE))
-	@echo ----- Made recovery image: $@ --------
+		$(call build-recoveryimage-target, $@)
 
 $(RECOVERY_RESOURCE_ZIP): $(INSTALLED_RECOVERYIMAGE_TARGET)
 	$(hide) mkdir -p $(dir $@)
 	$(hide) find $(TARGET_RECOVERY_ROOT_OUT)/res -type f | sort | zip -0qrj $@ -@
 
+.PHONY: recoveryimage-nodeps
+recoveryimage-nodeps:
+	@echo "make $@: ignoring dependencies"
+	$(call build-recoveryimage-target, $(INSTALLED_RECOVERYIMAGE_TARGET))
+
 else
 INSTALLED_RECOVERYIMAGE_TARGET :=
 RECOVERY_RESOURCE_ZIP :=
@@ -890,16 +878,11 @@
 .PHONY: recoveryimage
 recoveryimage: $(INSTALLED_RECOVERYIMAGE_TARGET) $(RECOVERY_RESOURCE_ZIP)
 
-ifneq ($(BOARD_NAND_PAGE_SIZE),)
-mkyaffs2_extra_flags := -c $(BOARD_NAND_PAGE_SIZE)
-else
-mkyaffs2_extra_flags :=
+ifeq ($(BOARD_NAND_PAGE_SIZE),)
 BOARD_NAND_PAGE_SIZE := 2048
 endif
 
-ifneq ($(BOARD_NAND_SPARE_SIZE),)
-mkyaffs2_extra_flags += -s $(BOARD_NAND_SPARE_SIZE)
-else
+ifeq ($(BOARD_NAND_SPARE_SIZE),)
 BOARD_NAND_SPARE_SIZE := 64
 endif
 
@@ -1252,7 +1235,6 @@
 	  $(HOST_OUT_EXECUTABLES)/mkbootfs \
 	  $(HOST_OUT_EXECUTABLES)/mkbootimg \
 	  $(HOST_OUT_EXECUTABLES)/fs_config \
-	  $(HOST_OUT_EXECUTABLES)/mkyaffs2image \
 	  $(HOST_OUT_EXECUTABLES)/zipalign \
 	  $(HOST_OUT_EXECUTABLES)/bsdiff \
 	  $(HOST_OUT_EXECUTABLES)/imgdiff \
@@ -1738,7 +1720,7 @@
 MAIN_SDK_NAME := $(sdk_name)
 MAIN_SDK_DIR  := $(sdk_dir)
 MAIN_SDK_ZIP  := $(INTERNAL_SDK_TARGET)
-ifneq ($(filter win_sdk,$(MAKECMDGOALS)),)
+ifneq ($(filter win_sdk winsdk-tools,$(MAKECMDGOALS)),)
 include $(TOPDIR)development/build/tools/windows_sdk.mk
 endif
 
diff --git a/core/binary.mk b/core/binary.mk
index 22936b9..02b72b6 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -71,6 +71,8 @@
   my_ndk_sysroot_include := $(my_ndk_sysroot)/usr/include
   ifeq (x86_64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
     my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib64
+  else ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT))
+    my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/libr6
   else
     my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib
   endif
@@ -88,6 +90,10 @@
   my_ndk_stl_shared_lib :=
   my_ndk_stl_static_lib :=
   my_ndk_stl_cppflags :=
+  my_cpu_variant := $(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)
+  ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT))
+    my_cpu_variant := mips32r6
+  endif
   LOCAL_NDK_STL_VARIANT := $(strip $(LOCAL_NDK_STL_VARIANT))
   ifeq (,$(LOCAL_NDK_STL_VARIANT))
     LOCAL_NDK_STL_VARIANT := system
@@ -102,9 +108,9 @@
   ifneq (,$(filter stlport_%, $(LOCAL_NDK_STL_VARIANT)))
     my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/stlport/stlport
     ifeq (stlport_static,$(LOCAL_NDK_STL_VARIANT))
-      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libstlport_static.a
+      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_static.a
     else
-      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libstlport_shared.so
+      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_shared.so
       my_ndk_stl_shared_lib := -lstlport_shared
     endif
   else # LOCAL_NDK_STL_VARIANT is not stlport_* either
@@ -113,17 +119,17 @@
                                $(my_ndk_source_root)/cxx-stl/llvm-libc++/gabi++/include \
                                $(my_ndk_source_root)/android/support/include
     ifeq (c++_static,$(LOCAL_NDK_STL_VARIANT))
-      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libc++_static.a
+      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_static.a
     else
-      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libc++_shared.so
+      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_shared.so
       my_ndk_stl_shared_lib := -lc++_shared
     endif
     my_ndk_stl_cppflags := -std=c++11
   else
     # LOCAL_NDK_STL_VARIANT is gnustl_static
-    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/include \
+    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/include \
                                $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/include
-    my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libgnustl_static.a
+    my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/libgnustl_static.a
   endif
   endif
   endif
@@ -245,33 +251,6 @@
 my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LDFLAGS)
 endif # my_clang
 
-# To enable coverage for a given module, set LOCAL_NATIVE_COVERAGE=true and
-# build with NATIVE_COVERAGE=true in your enviornment. Note that the build
-# system is not sensitive to changes to NATIVE_COVERAGE, so you should do a
-# clean build of your module after toggling it.
-ifeq ($(NATIVE_COVERAGE),true)
-    ifeq ($(my_native_coverage),true)
-        # We can't currently generate coverage for clang binaries for two
-        # reasons:
-        #
-        # 1) b/17574078 We currently don't have a prebuilt
-        #    libclang_rt.profile-<ARCH>.a, which clang is hardcoded to link if
-        #    --coverage is passed in the link stage. For now we manually link
-        #    libprofile_rt (which is the name it is built as from
-        #    external/compiler-rt).
-        #
-        # 2) b/17583330 Clang doesn't generate .gcno files when using
-        #    -no-integrated-as. Since most of the assembly in our tree is
-        #    incompatible with clang's assembler, we can't turn off this flag.
-        ifneq ($(my_clang),true)
-            my_cflags += --coverage -O0
-            my_ldflags += --coverage
-        endif
-    endif
-else
-    my_native_coverage := false
-endif
-
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_PROJECT_INCLUDES := $(my_target_project_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_C_INCLUDES := $(my_target_c_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CFLAGS := $(my_target_global_cflags)
@@ -302,6 +281,35 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_LDFLAGS := $(my_host_global_ldflags)
 endif # LOCAL_IS_HOST_MODULE
 
+# To enable coverage for a given module, set LOCAL_NATIVE_COVERAGE=true and
+# build with NATIVE_COVERAGE=true in your enviornment. Note that the build
+# system is not sensitive to changes to NATIVE_COVERAGE, so you should do a
+# clean build of your module after toggling it.
+ifeq ($(NATIVE_COVERAGE),true)
+    ifeq ($(my_native_coverage),true)
+        my_cflags += --coverage -O0
+        ifeq ($(my_clang),true)
+            # b/17574078
+            # We currently don't have a prebuilt libclang_rt.profile-<ARCH>.a,
+            # which clang is hardcoded to link if --coverage is passed in the
+            # link stage.  For now we manually link libprofile_rt (which is the
+            # name it is built as from external/compiler-rt).
+            #
+            # Note that clang coverage doesn't play nicely with acov out of the
+            # box. Clang apparently generates .gcno files that aren't compatible
+            # with gcov-4.8.  This can be solved by installing gcc-4.6 and
+            # invoking lcov with `--gcov-tool /usr/bin/gcov-4.6`.
+            #
+            # http://stackoverflow.com/questions/17758126/clang-code-coverage-invalid-output
+            my_static_libraries += libprofile_rt
+        else
+            my_ldflags += --coverage
+        endif
+    endif
+else
+    my_native_coverage := false
+endif
+
 ###########################################################
 ## Define PRIVATE_ variables used by multiple module types
 ###########################################################
@@ -533,22 +541,12 @@
 my_c_includes += external/protobuf/src $(proto_generated_cc_sources_dir)
 my_cflags += -DGOOGLE_PROTOBUF_NO_RTTI
 ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),full)
-    ifneq ($(filter libprotobuf-cpp-2.3.0-full,$(my_static_libraries)),)
-        $(warning Stripping unneeded dependency on libprotobuf-cpp-2.3.0-full in $(LOCAL_MODULE))
-        my_static_libraries := $(filter-out libprotobuf-cpp-2.3.0-full,$(my_static_libraries))
-    endif
-
     ifdef LOCAL_SDK_VERSION
         my_static_libraries += libprotobuf-cpp-full
     else
         my_shared_libraries += libprotobuf-cpp-full
     endif
 else
-    ifneq ($(filter libprotobuf-cpp-2.3.0-lite,$(my_static_libraries)),)
-        $(warning Stripping unneeded dependency on libprotobuf-cpp-2.3.0-lite in $(LOCAL_MODULE))
-        my_static_libraries := $(filter-out libprotobuf-cpp-2.3.0-lite,$(my_static_libraries))
-    endif
-
     ifdef LOCAL_SDK_VERSION
         my_static_libraries += libprotobuf-cpp-lite
     else
@@ -844,11 +842,12 @@
       $(call intermediates-dir-for,SHARED_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/export_includes) \
     $(foreach l, $(my_static_libraries) $(my_whole_static_libraries), \
       $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/export_includes))
-$(import_includes) : $(import_includes_deps)
+$(import_includes): PRIVATE_IMPORT_EXPORT_INCLUDES := $(import_includes_deps)
+$(import_includes) : $(LOCAL_MODULE_MAKEFILE) $(import_includes_deps)
 	@echo Import includes file: $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef import_includes_deps
-	$(hide) for f in $^; do \
+	$(hide) for f in $(PRIVATE_IMPORT_EXPORT_INCLUDES); do \
 	  cat $$f >> $@; \
 	done
 else
diff --git a/core/clang/TARGET_arm.mk b/core/clang/TARGET_arm.mk
index 1f6117c..993755f 100644
--- a/core/clang/TARGET_arm.mk
+++ b/core/clang/TARGET_arm.mk
@@ -63,4 +63,4 @@
 
 $(clang_2nd_arch_prefix)RS_TRIPLE := armv7-none-linux-gnueabi
 $(clang_2nd_arch_prefix)RS_TRIPLE_CFLAGS :=
-RS_COMPAT_TRIPLE := armv7-none-linux-gnueabi
+$(clang_2nd_arch_prefix)RS_COMPAT_TRIPLE := armv7-none-linux-gnueabi
diff --git a/core/clang/TARGET_x86.mk b/core/clang/TARGET_x86.mk
index 507b4e4..a6b2a6f 100644
--- a/core/clang/TARGET_x86.mk
+++ b/core/clang/TARGET_x86.mk
@@ -63,4 +63,4 @@
 
 $(clang_2nd_arch_prefix)RS_TRIPLE := armv7-none-linux-gnueabi
 $(clang_2nd_arch_prefix)RS_TRIPLE_CFLAGS := -D__i386__
-RS_COMPAT_TRIPLE := i686-linux-android
+$(clang_2nd_arch_prefix)RS_COMPAT_TRIPLE := i686-linux-android
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 9f339ff..db48bd6 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -148,6 +148,7 @@
 LOCAL_SOURCE_FILES_ALL_GENERATED:= # '',true
 # Don't delete the META_INF dir when merging static Java libraries.
 LOCAL_DONT_DELETE_JAR_META_INF:=
+LOCAL_DONT_DELETE_JAR_DIRS:=
 LOCAL_ADDITIONAL_CERTIFICATES:=
 LOCAL_PREBUILT_MODULE_FILE:=
 LOCAL_POST_LINK_CMD:=
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index c1f3665..8059b2a 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -133,6 +133,7 @@
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			-Wl,--icf=safe \
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index c1fddb2..abd8e3a 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -108,6 +108,7 @@
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			-Wl,-maarch64linux \
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index f851af4..55566eb 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -35,7 +35,7 @@
 endif
 
 # Decouple NDK library selection with platform compiler version
-$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
 $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9
@@ -104,10 +104,14 @@
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			$(arch_variant_ldflags)
 
+# Disable transitive dependency library symbol resolving.
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--allow-shlib-undefined
+
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
 
 # More flags/options can be added here
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index 2a30f3f..5c5610e 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -18,7 +18,7 @@
 # Included by combo/select.mk
 
 # You can set TARGET_ARCH_VARIANT to use an arch version other
-# than mips64. Each value should correspond to a file named
+# than mips64r6. Each value should correspond to a file named
 # $(BUILD_COMBOS)/arch/<name>.mk which must contain
 # makefile variable definitions similar to the preprocessor
 # defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their
@@ -35,7 +35,7 @@
 endif
 
 # Decouple NDK library selection with platform compiler version
-TARGET_NDK_GCC_VERSION := 4.8
+TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
 TARGET_GCC_VERSION := 4.9
@@ -104,6 +104,7 @@
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			$(arch_variant_ldflags)
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index c2188c0..e22500e 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -122,6 +122,7 @@
 
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index 6581f64..d92e974 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -127,6 +127,7 @@
 
 TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
 TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
+TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5
 TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
 TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
 TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
index d8f33cb..6ddfdb1 100644
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ b/core/combo/include/arch/darwin-x86/AndroidConfig.h
@@ -33,15 +33,6 @@
  */
 
 /*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
  * Add any extra platform-specific defines here.
  */
 #define _THREAD_SAFE
diff --git a/core/combo/include/arch/linux-arm/AndroidConfig.h b/core/combo/include/arch/linux-arm/AndroidConfig.h
index 77c165e..b1c963e 100644
--- a/core/combo/include/arch/linux-arm/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm/AndroidConfig.h
@@ -33,15 +33,6 @@
  */
 
 /*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
diff --git a/core/combo/include/arch/linux-arm64/AndroidConfig.h b/core/combo/include/arch/linux-arm64/AndroidConfig.h
index f89e833..c1e9e59 100644
--- a/core/combo/include/arch/linux-arm64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm64/AndroidConfig.h
@@ -33,15 +33,6 @@
  */
 
 /*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
diff --git a/core/combo/include/arch/linux-mips/AndroidConfig.h b/core/combo/include/arch/linux-mips/AndroidConfig.h
index c67ec30..ac0c9e1 100644
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips/AndroidConfig.h
@@ -33,15 +33,6 @@
  */
 
 /*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
  * Define this if you build against MSVCRT.DLL
  */
 /* #define HAVE_MS_C_RUNTIME */
diff --git a/core/combo/include/arch/linux-mips64/AndroidConfig.h b/core/combo/include/arch/linux-mips64/AndroidConfig.h
index 8ebbbfd..b86c676 100644
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips64/AndroidConfig.h
@@ -33,15 +33,6 @@
  */
 
 /*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
diff --git a/core/combo/include/arch/linux-x86/AndroidConfig.h b/core/combo/include/arch/linux-x86/AndroidConfig.h
index c6b02d0..a2897bc 100644
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/linux-x86/AndroidConfig.h
@@ -33,15 +33,6 @@
  */
 
 /*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
  * We need to choose between 32-bit and 64-bit off_t.  All of our code should
  * agree on the same size.  For desktop systems, use 64-bit values,
  * because some of our libraries (e.g. wxWidgets) expect to be built that way.
diff --git a/core/combo/include/arch/target_linux-x86/AndroidConfig.h b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
index e8c3b58..676913c 100644
--- a/core/combo/include/arch/target_linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
@@ -19,15 +19,6 @@
  */
 
 /*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
diff --git a/core/combo/include/arch/windows/AndroidConfig.h b/core/combo/include/arch/windows/AndroidConfig.h
index b6665d8..346ba89 100644
--- a/core/combo/include/arch/windows/AndroidConfig.h
+++ b/core/combo/include/arch/windows/AndroidConfig.h
@@ -55,14 +55,6 @@
 #  endif
 #endif
 
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- */
-#define HAVE_WIN32_THREADS
-
 /* TODO: replace references to this. */
 #define HAVE_WIN32_IPC
 
diff --git a/core/config.mk b/core/config.mk
index 33ce619..8a49694 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -387,7 +387,6 @@
 else
 MKBOOTIMG := $(BOARD_CUSTOM_MKBOOTIMG)
 endif
-MKYAFFS2 := $(HOST_OUT_EXECUTABLES)/mkyaffs2image$(HOST_EXECUTABLE_SUFFIX)
 APICHECK := $(HOST_OUT_EXECUTABLES)/apicheck$(HOST_EXECUTABLE_SUFFIX)
 FS_GET_STATS := $(HOST_OUT_EXECUTABLES)/fs_get_stats$(HOST_EXECUTABLE_SUFFIX)
 MKEXT2IMG := $(HOST_OUT_EXECUTABLES)/genext2fs$(HOST_EXECUTABLE_SUFFIX)
@@ -598,5 +597,6 @@
 
 # API Level lists for Renderscript Compat lib.
 RSCOMPAT_32BIT_ONLY_API_LEVELS := 8 9 10 11 12 13 14 15 16 17 18 19 20
+RSCOMPAT_NO_USAGEIO_API_LEVELS := 8 9 10 11 12 13
 
 include $(BUILD_SYSTEM)/dumpvar.mk
diff --git a/core/definitions.mk b/core/definitions.mk
index 2ef7961..37f7d9d 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1302,6 +1302,7 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),-lgcov) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDLIBS)
@@ -1329,7 +1330,7 @@
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl$(comma)-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -1425,11 +1426,16 @@
 ## Commands for linking a static executable. In practice,
 ## we only use this on arm, so the other platforms don't
 ## have transform-o-to-static-executable defined.
+## Clang driver needs -static to create static executable.
+## However, bionic/linker uses -shared to overwrite.
+## Linker for x86 targets does not allow coexistance of -static and -shared,
+## so we add -static only if -shared is not used.
 ###########################################################
 
 define transform-o-to-static-executable-inner
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Bstatic \
+	$(if $(filter $(PRIVATE_LDFLAGS),-shared),,-static) \
 	-Wl,--gc-sections \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
@@ -1482,6 +1488,7 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),-lgcov) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-Wl,-rpath-link=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES) \
 	-Wl,-rpath,\$$ORIGIN/../$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)) \
@@ -1663,6 +1670,7 @@
         jar -cfm $@ $(dir $@)/manifest.mf \
             -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) ., \
     $(hide) jar -cf $@ -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .)
+$(if $(PRIVATE_EXTRA_JAR_ARGS),$(call add-java-resources-to,$@))
 endef
 
 define transform-java-to-classes.jar
@@ -1723,6 +1731,7 @@
         jar -cfm $@ $(dir $@)/manifest.mf \
             -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) ., \
     $(hide) jar -cf $@ -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .)
+$(if $(PRIVATE_EXTRA_JAR_ARGS),$(call add-java-resources-to,$@))
 $(hide) mv $(PRIVATE_CLASS_INTERMEDIATES_DIR)/newstamp $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp
 endef
 
@@ -1770,6 +1779,17 @@
 $(hide) rm $(dir $@)dummy
 endef
 
+# Copy an arhchive file and delete any class files and empty folders inside.
+# $(1): the source archive file.
+# $(2): the destination archive file.
+define initialize-package-file
+@mkdir -p $(dir $(2))
+$(hide) cp -f $(1) $(2)
+$(hide) zip -qd $(2) "*.class" \
+    $(if $(strip $(PRIVATE_DONT_DELETE_JAR_DIRS)),,"*/") \
+    || true # Ignore the error when nothing to delete.
+endef
+
 #TODO: we kinda want to build different asset packages for
 #      different configurations, then combine them later (or something).
 #      Per-locale, etc.
@@ -1821,24 +1841,12 @@
 endef
 
 # Add java resources added by the current module.
+# $(1) destination package
 #
-define add-java-resources-to-package
-$(call dump-words-to-file, $(PRIVATE_EXTRA_JAR_ARGS), $(dir $@)jar-arg-list)
-$(hide) jar uf $@ @$(dir $@)jar-arg-list
-@rm -f $(dir $@)jar-arg-list
-endef
-
-# Add java resources carried by static Java libraries.
-#
-define add-carried-java-resources
-$(hide) if [ -d $(PRIVATE_CLASS_INTERMEDIATES_DIR) ] ; then \
-    java_res_jar_flags=$$(find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -type f -a -not -name "*.class" \
-        | sed -e "s?^$(PRIVATE_CLASS_INTERMEDIATES_DIR)/? -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) ?"); \
-    if [ -n "$$java_res_jar_flags" ] ; then \
-        echo $$java_res_jar_flags >$(dir $@)java_res_jar_flags; \
-        jar uf $@ $$java_res_jar_flags; \
-    fi; \
-fi
+define add-java-resources-to
+$(call dump-words-to-file, $(PRIVATE_EXTRA_JAR_ARGS), $(1).jar-arg-list)
+$(hide) jar uf $(1) @$(1).jar-arg-list
+@rm -f $(1).jar-arg-list
 endef
 
 # Sign a package using the specified key/cert.
@@ -1882,7 +1890,6 @@
 define transform-host-java-to-package
 @echo "host Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
 $(call compile-java,$(HOST_JAVAC),$(PRIVATE_BOOTCLASSPATH))
-$(if $(PRIVATE_EXTRA_JAR_ARGS), $(call add-java-resources-to-package))
 endef
 
 ###########################################################
diff --git a/core/envsetup.mk b/core/envsetup.mk
index cfc9650..43774ea 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -381,8 +381,6 @@
 TARGET_INSTALLER_ROOT_OUT := $(TARGET_INSTALLER_OUT)/root
 TARGET_INSTALLER_SYSTEM_OUT := $(TARGET_INSTALLER_OUT)/root/system
 
-TARGET_FACTORY_RAMDISK_OUT := $(PRODUCT_OUT)/factory_ramdisk
-
 COMMON_MODULE_CLASSES := TARGET-NOTICE_FILES HOST-NOTICE_FILES HOST-JAVA_LIBRARIES
 
 ifeq (,$(strip $(DIST_DIR)))
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 6583dd7..f8264ee 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -20,6 +20,7 @@
 # They will be compiled against libcore and not the host JRE.
 #
 
+ifeq ($(HOST_OS),linux)
 USE_CORE_LIB_BOOTCLASSPATH := true
 
 #######################################
@@ -101,13 +102,13 @@
 	$(transform-classes.jar-to-dex)
 
 $(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
+$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
+$(LOCAL_BUILT_MODULE): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
 $(LOCAL_BUILT_MODULE): $(built_dex) $(java_resource_sources)
 	@echo "Host Jar: $(PRIVATE_MODULE) ($@)"
-	$(create-empty-package)
+	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@)
 	$(add-dex-to-package)
-	$(add-carried-java-resources)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
-endif
 
 USE_CORE_LIB_BOOTCLASSPATH :=
+
+endif
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index 3ae74e4..9e5aaa3 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -19,6 +19,7 @@
 # These libraries will be compiled against libcore and not the host
 # JRE.
 #
+ifeq ($(HOST_OS),linux)
 
 USE_CORE_LIB_BOOTCLASSPATH := true
 LOCAL_JAVA_LIBRARIES += core-libart-hostdex
@@ -26,3 +27,5 @@
 include $(BUILD_SYSTEM)/host_java_library.mk
 
 USE_CORE_LIB_BOOTCLASSPATH :=
+
+endif
diff --git a/core/host_java_library_common.mk b/core/host_java_library_common.mk
index a675a84..cd9e679 100644
--- a/core/host_java_library_common.mk
+++ b/core/host_java_library_common.mk
@@ -29,23 +29,11 @@
 proto_sources := $(filter %.proto,$(LOCAL_SRC_FILES))
 ifneq ($(proto_sources),)
 ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),micro)
-    ifneq ($(filter host-libprotobuf-java-2.3.0-micro,$(LOCAL_JAVA_LIBRARIES)),)
-        $(warning Stripping unneeded dependency on host-libprotobuf-java-2.3.0-micro in $(LOCAL_MODULE))
-        LOCAL_JAVA_LIBRARIES := $(filter-out host-libprotobuf-java-2.3.0-micro,$(LOCAL_JAVA_LIBRARIES))
-    endif
     LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-micro
 else
   ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
-    ifneq ($(filter host-libprotobuf-java-2.3.0-nano,$(LOCAL_JAVA_LIBRARIES)),)
-        $(warning Stripping unneeded dependency on host-libprotobuf-java-2.3.0-nano in $(LOCAL_MODULE))
-        LOCAL_JAVA_LIBRARIES := $(filter-out host-libprotobuf-java-2.3.0-nano,$(LOCAL_JAVA_LIBRARIES))
-    endif
     LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-nano
   else
-    ifneq ($(filter host-libprotobuf-java-2.3.0-lite,$(LOCAL_JAVA_LIBRARIES)),)
-        $(warning Stripping unneeded dependency on host-libprotobuf-java-2.3.0-lite in $(LOCAL_MODULE))
-        LOCAL_JAVA_LIBRARIES := $(filter-out host-libprotobuf-java-2.3.0-lite,$(LOCAL_JAVA_LIBRARIES))
-    endif
     LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-lite
   endif
 endif
diff --git a/core/java.mk b/core/java.mk
index 13cf39d..80bf530 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -42,23 +42,11 @@
 proto_sources := $(filter %.proto,$(LOCAL_SRC_FILES))
 ifneq ($(proto_sources),)
 ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),micro)
-    ifneq ($(filter libprotobuf-java-2.3.0-micro,$(LOCAL_STATIC_JAVA_LIBRARIES)),)
-        $(warning Stripping unneeded dependency on libprotobuf-java-2.3.0-micro in $(LOCAL_MODULE))
-        LOCAL_STATIC_JAVA_LIBRARIES := $(filter-out libprotobuf-java-2.3.0-micro,$(LOCAL_STATIC_JAVA_LIBRARIES))
-    endif
     LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-micro
 else
   ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
-    ifneq ($(filter libprotobuf-java-2.3.0-nano,$(LOCAL_STATIC_JAVA_LIBRARIES)),)
-        $(warning Stripping unneeded dependency on libprotobuf-java-2.3.0-nano in $(LOCAL_MODULE))
-        LOCAL_STATIC_JAVA_LIBRARIES := $(filter-out libprotobuf-java-2.3.0-nano,$(LOCAL_STATIC_JAVA_LIBRARIES))
-    endif
     LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-nano
   else
-    ifneq ($(filter libprotobuf-java-2.3.0-lite,$(LOCAL_STATIC_JAVA_LIBRARIES)),)
-        $(warning Stripping unneeded dependency on libprotobuf-java-2.3.0-lite in $(LOCAL_MODULE))
-        LOCAL_STATIC_JAVA_LIBRARIES := $(filter-out libprotobuf-java-2.3.0-lite,$(LOCAL_STATIC_JAVA_LIBRARIES))
-    endif
     LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-lite
   endif
 endif
@@ -233,10 +221,16 @@
 rs_jni_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/librsjni.so
 LOCAL_JNI_SHARED_LIBRARIES += libRSSupport librsjni
 
+rs_support_io_lib :=
+# check if the target api level support USAGE_IO
+ifeq ($(filter $(RSCOMPAT_NO_USAGEIO_API_LEVELS),$(renderscript_target_api)),)
+rs_support_io_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/libRSSupportIO.so
+LOCAL_JNI_SHARED_LIBRARIES += libRSSupportIO
+endif
 
 
 $(rs_compatibility_jni_libs): $(RenderScript_file_stamp) $(RS_PREBUILT_CLCORE) \
-    $(rs_support_lib) $(rs_jni_lib) $(rs_compiler_rt)
+    $(rs_support_lib) $(rs_support_io_lib) $(rs_jni_lib) $(rs_compiler_rt)
 $(rs_compatibility_jni_libs): $(BCC_COMPAT)
 $(rs_compatibility_jni_libs): PRIVATE_CXX := $(TARGET_CXX)
 $(rs_compatibility_jni_libs): $(renderscript_intermediate)/librs.%.so: \
diff --git a/core/java_library.mk b/core/java_library.mk
index 5f7c784..b4e3eaa 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -58,9 +58,6 @@
 endif
 	@echo "target Static Jar: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
-endif
 
 $(LOCAL_BUILT_MODULE): $(common_javalib.jar)
 	$(copy-file-to-target)
@@ -68,14 +65,12 @@
 else # !LOCAL_IS_STATIC_JAVA_LIBRARY
 
 $(common_javalib.jar): PRIVATE_DEX_FILE := $(built_dex)
+$(common_javalib.jar): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
+$(common_javalib.jar): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
 $(common_javalib.jar) : $(built_dex) $(java_resource_sources)
 	@echo "target Jar: $(PRIVATE_MODULE) ($@)"
-	$(create-empty-package)
+	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@)
 	$(add-dex-to-package)
-	$(add-carried-java-resources)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
-endif
 
 ifdef LOCAL_DEX_PREOPT
 ifneq ($(dexpreopt_boot_jar_module),) # boot jar
diff --git a/core/main.mk b/core/main.mk
index 8ed46ac..b383d1b 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -79,7 +79,8 @@
     cacheimage-nodeps \
     vendorimage-nodeps \
     ramdisk-nodeps \
-    bootimage-nodeps
+    bootimage-nodeps \
+    recoveryimage-nodeps
 
 ifneq ($(filter $(dont_bother_goals), $(MAKECMDGOALS)),)
 dont_bother := true
@@ -274,8 +275,8 @@
 ifneq ($(filter-out $(INTERNAL_VALID_VARIANTS),$(TARGET_BUILD_VARIANT)),)
 $(info ***************************************************************)
 $(info ***************************************************************)
-$(info Invalid variant: $(TARGET_BUILD_VARIANT)
-$(info Valid values are: $(INTERNAL_VALID_VARIANTS)
+$(info Invalid variant: $(TARGET_BUILD_VARIANT))
+$(info Valid values are: $(INTERNAL_VALID_VARIANTS))
 $(info ***************************************************************)
 $(info ***************************************************************)
 $(error stopping)
@@ -839,12 +840,6 @@
 .PHONY: ramdisk
 ramdisk: $(INSTALLED_RAMDISK_TARGET)
 
-.PHONY: factory_ramdisk
-factory_ramdisk: $(INSTALLED_FACTORY_RAMDISK_TARGET)
-
-.PHONY: factory_bundle
-factory_bundle: $(INSTALLED_FACTORY_BUNDLE_TARGET)
-
 .PHONY: systemtarball
 systemtarball: $(INSTALLED_SYSTEMTARBALL_TARGET)
 
@@ -951,8 +946,6 @@
     $(BUILT_TARGET_FILES_PACKAGE) \
     $(INSTALLED_ANDROID_INFO_TXT_TARGET) \
     $(INSTALLED_RAMDISK_TARGET) \
-    $(INSTALLED_FACTORY_RAMDISK_TARGET) \
-    $(INSTALLED_FACTORY_BUNDLE_TARGET) \
    )
 
   # Put a copy of the radio/bootloader files in the dist dir.
diff --git a/core/package_internal.mk b/core/package_internal.mk
index bb458d4..49a6d9b 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -324,7 +324,12 @@
 
 ifneq ($(full_classes_jar),)
 $(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
+# Use the jarjar processed arhive as the initial package file.
+$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
 $(LOCAL_BUILT_MODULE): $(built_dex)
+else
+$(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE :=
+$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE :=
 endif # full_classes_jar
 
 include $(BUILD_SYSTEM)/install_jni_libs.mk
@@ -383,9 +388,12 @@
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG := $(PRODUCT_AAPT_PREF_CONFIG)
 endif
 endif
+$(LOCAL_BUILT_MODULE): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
 $(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
-	$(create-empty-package)
+	$(if $(PRIVATE_SOURCE_ARCHIVE),\
+	  $(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@),\
+	  $(create-empty-package))
 	$(add-assets-to-package)
 ifneq ($(jni_shared_libraries),)
 	$(add-jni-shared-libs-to-package)
@@ -393,10 +401,6 @@
 ifneq ($(full_classes_jar),)
 	$(add-dex-to-package)
 endif
-	$(add-carried-java-resources)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
-endif
 	$(sign-package)
 ifdef LOCAL_DEX_PREOPT
 ifneq (nostripping,$(LOCAL_DEX_PREOPT))
diff --git a/core/pathmap.mk b/core/pathmap.mk
index 0820885..2532707 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -27,7 +27,6 @@
 # A mapping from shorthand names to include directories.
 #
 pathmap_INCL := \
-    bootloader:bootable/bootloader/legacy/include \
     camera:system/media/camera/include \
     frameworks-base:frameworks/base/include \
     frameworks-native:frameworks/native/include \
@@ -87,7 +86,6 @@
 	    sax \
 	    telecomm \
 	    telephony \
-	    phone \
 	    wifi \
 	    keystore \
 	    rs \
diff --git a/core/product.mk b/core/product.mk
index 166b583..6bba6b8 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -95,8 +95,6 @@
     PRODUCT_DEFAULT_DEV_CERTIFICATE \
     PRODUCT_RESTRICT_VENDOR_FILES \
     PRODUCT_VENDOR_KERNEL_HEADERS \
-    PRODUCT_FACTORY_RAMDISK_MODULES \
-    PRODUCT_FACTORY_BUNDLE_MODULES \
     PRODUCT_BOOT_JARS \
     PRODUCT_SUPPORTS_VERITY \
     PRODUCT_OEM_PROPERTIES \
diff --git a/core/tasks/factory_bundle.mk b/core/tasks/factory_bundle.mk
deleted file mode 100644
index 054a52a..0000000
--- a/core/tasks/factory_bundle.mk
+++ /dev/null
@@ -1,85 +0,0 @@
-#
-# Copyright (C) 2011 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-ifeq (,$(ONE_SHOT_MAKEFILE))
-ifneq ($(TARGET_BUILD_PDK),true)
-  TARGET_BUILD_FACTORY=true
-endif
-ifeq ($(TARGET_BUILD_FACTORY),true)
-
-# PRODUCT_FACTORY_RAMDISK_MODULES consists of "<module_name>:<install_path>[:<install_path>...]" tuples.
-# <install_path> is relative to the staging directory for the bundle.
-# 
-# Only host modules can be installed here. 
-# (It's possible to relax this, but it's not needed and kind of tricky.  We'll need to add
-# a better way of specifying the class. Really the answer is to stop having modules with
-# duplicate names)
-#
-# You can also add files with PRODUCT_COPY_FILES if necessary.
-#
-# For example:
-# PRODUCT_FACTORY_BUNDLE_MODULES := \
-#     adb:adb fastboot:fastboot
-requested_modules := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_FACTORY_BUNDLE_MODULES))
-
-root_dir := $(PRODUCT_OUT)/factory_bundle
-leaf := $(strip $(TARGET_PRODUCT))-factory_bundle-$(FILE_NAME_TAG)
-named_dir := $(PRODUCT_OUT)/$(leaf)
-tarball := $(PRODUCT_OUT)/$(leaf).tgz
-
-copied_files := \
-  $(foreach _fb_m, $(requested_modules), $(strip \
-    $(eval _fb_m_tuple := $(subst :, ,$(_fb_m))) \
-    $(eval _fb_m_name := $(word 1,$(_fb_m_tuple))) \
-    $(eval _fb_dests := $(wordlist 2,999,$(_fb_m_tuple))) \
-    $(eval _fb_m_built := $(filter $(HOST_OUT)/%, $(ALL_MODULES.$(_fb_m_name).BUILT))) \
-    $(if $(_fb_m_built),,$(error no built file in requested_modules for '$(_fb_m_built)'))\
-    $(foreach _fb_f,$(_fb_dests),$(eval $(call copy-one-file,$(_fb_m_built),$(root_dir)/$(_fb_f))))\
-    $(addprefix $(root_dir)/,$(_fb_dests)) \
-    )) \
-  $(filter $(root_dir)/%, $(ALL_DEFAULT_INSTALLED_MODULES))
-
-ifneq (,$(strip $(copied_files)))
-
-#
-# These files are made by magic so we need to explicitly include them
-#
-$(eval $(call copy-one-file,$(TARGET_OUT)/build.prop,$(root_dir)/build.prop))
-copied_files += $(root_dir)/build.prop
-
-$(eval $(call copy-one-file,$(PRODUCT_OUT)/factory_ramdisk.img,$(root_dir)/factory_ramdisk.img))
-copied_files += $(root_dir)/factory_ramdisk.img
-#
-# End magic
-#
-
-$(tarball): PRIVATE_ROOT_DIR := $(root_dir)
-$(tarball): PRIVATE_NAMED_DIR := $(named_dir)
-
-$(tarball): $(copied_files)
-	@echo "Tarball: $@"
-	$(hide) rm -rf $(PRIVATE_NAMED_DIR)
-	$(hide) ( cp -r $(PRIVATE_ROOT_DIR) $(PRIVATE_NAMED_DIR) \
-			&& tar cfz $@ -C $(dir $(PRIVATE_NAMED_DIR)) $(notdir $(PRIVATE_NAMED_DIR)) \
-			) && rm -rf $(PRIVATE_NAMED_DIR)
-
-INSTALLED_FACTORY_BUNDLE_TARGET := $(tarball)
-
-endif
-
-endif # TARGET_BUILD_PDK
-endif # ONE_SHOT_MAKEFILE
-
diff --git a/core/tasks/factory_ramdisk.mk b/core/tasks/factory_ramdisk.mk
deleted file mode 100644
index 00fcdde..0000000
--- a/core/tasks/factory_ramdisk.mk
+++ /dev/null
@@ -1,95 +0,0 @@
-#
-# Copyright (C) 2011 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-ifeq (,$(ONE_SHOT_MAKEFILE))
-ifneq ($(TARGET_BUILD_PDK),true)
-  TARGET_BUILD_FACTORY=true
-endif
-ifeq ($(TARGET_BUILD_FACTORY),true)
-
-# PRODUCT_FACTORY_RAMDISK_MODULES consists of "<module_name>:<install_path>[:<install_path>...]" tuples.
-# <install_path> is relative to TARGET_FACTORY_RAMDISK_OUT.
-# We can have multiple <install_path>s because multiple modules may have the same name.
-# For example:
-# PRODUCT_FACTORY_RAMDISK_MODULES := \
-#     toolbox:system/bin/toolbox adbd:sbin/adbd adb:system/bin/adb
-factory_ramdisk_modules := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_FACTORY_RAMDISK_MODULES))
-ifneq (,$(factory_ramdisk_modules))
-
-# A module name may end up in multiple modules (so multiple built files)
-# with the same name.
-# This function selects the module built file based on the install path.
-# $(1): the dest install path
-# $(2): the module built files
-define install-one-factory-ramdisk-module
-$(eval _iofrm_suffix := $(suffix $(1))) \
-$(if $(_iofrm_suffix), \
-    $(eval _iofrm_pattern := %$(_iofrm_suffix)), \
-    $(eval _iofrm_pattern := %$(notdir $(1)))) \
-$(eval _iofrm_src := $(filter $(_iofrm_pattern),$(2))) \
-$(if $(filter 1,$(words $(_iofrm_src))), \
-    $(eval _fulldest := $(TARGET_FACTORY_RAMDISK_OUT)/$(1)) \
-    $(eval $(call copy-one-file,$(_iofrm_src),$(_fulldest))) \
-    $(eval INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES += $(_fulldest)), \
-    $(error Error: Cannot find match in "$(2)" for "$(1)") \
-    )
-endef
-
-INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES :=
-$(foreach m, $(factory_ramdisk_modules), \
-    $(eval _fr_m_tuple := $(subst :, ,$(m))) \
-    $(eval _fr_m_name := $(word 1,$(_fr_m_tuple))) \
-    $(eval _fr_dests := $(wordlist 2,999,$(_fr_m_tuple))) \
-    $(eval _fr_m_built := $(filter $(PRODUCT_OUT)/%, $(ALL_MODULES.$(_fr_m_name).BUILT))) \
-    $(foreach d,$(_fr_dests),$(call install-one-factory-ramdisk-module,$(d),$(_fr_m_built))) \
-    )
-endif
-
-# Files may also be installed via PRODUCT_COPY_FILES, PRODUCT_PACKAGES etc.
-INTERNAL_FACTORY_RAMDISK_FILES := $(filter $(TARGET_FACTORY_RAMDISK_OUT)/%, \
-    $(ALL_DEFAULT_INSTALLED_MODULES))
-
-ifneq (,$(INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES)$(INTERNAL_FACTORY_RAMDISK_FILES))
-
-# These files are made by magic in build/core/Makefile so we need to explicitly include them
-$(eval $(call copy-one-file,$(TARGET_OUT)/build.prop,$(TARGET_FACTORY_RAMDISK_OUT)/system/build.prop))
-INTERNAL_FACTORY_RAMDISK_FILES += $(TARGET_FACTORY_RAMDISK_OUT)/system/build.prop
-
-BUILT_FACTORY_RAMDISK_FS := $(PRODUCT_OUT)/factory_ramdisk.gz
-BUILT_FACTORY_RAMDISK_TARGET := $(PRODUCT_OUT)/factory_ramdisk.img
-
-INSTALLED_FACTORY_RAMDISK_FS := $(BUILT_FACTORY_RAMDISK_FS)
-$(INSTALLED_FACTORY_RAMDISK_FS) : $(MKBOOTFS) \
-    $(INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES) $(INTERNAL_FACTORY_RAMDISK_FILES) | $(MINIGZIP)
-	$(call pretty,"Target factory ram disk file system: $@")
-	$(hide) $(MKBOOTFS) $(TARGET_FACTORY_RAMDISK_OUT) | $(MINIGZIP) > $@
-
-TARGET_RAMDISK_KERNEL := $(INSTALLED_KERNEL_TARGET)
-INSTALLED_FACTORY_RAMDISK_TARGET := $(BUILT_FACTORY_RAMDISK_TARGET)
-ifneq (,$(BOARD_KERNEL_CMDLINE_FACTORY_BOOT))
-  RAMDISK_CMDLINE := --cmdline "$(BOARD_KERNEL_CMDLINE_FACTORY_BOOT)"
-else
-  RAMDISK_CMDLINE :=
-endif
-$(INSTALLED_FACTORY_RAMDISK_TARGET) : $(MKBOOTIMG) $(TARGET_RAMDISK_KERNEL) $(INSTALLED_FACTORY_RAMDISK_FS)
-	$(call pretty,"Target factory ram disk img format: $@")
-	$(MKBOOTIMG) --kernel $(TARGET_RAMDISK_KERNEL) --ramdisk $(INSTALLED_FACTORY_RAMDISK_FS) \
-            --base $(BOARD_KERNEL_BASE) $(BOARD_MKBOOTIMG_ARGS) $(RAMDISK_CMDLINE) --output $@
-
-endif
-
-endif # TARGET_BUILD_PDK
-endif # ONE_SHOT_MAKEFILE
diff --git a/core/tasks/product-graph.mk b/core/tasks/product-graph.mk
index c095c0f..db2cf71 100644
--- a/core/tasks/product-graph.mk
+++ b/core/tasks/product-graph.mk
@@ -116,7 +116,6 @@
 	$(hide) echo 'PRODUCT_DEFAULT_WIFI_CHANNELS=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_WIFI_CHANNELS)' >> $$@
 	$(hide) echo 'PRODUCT_DEFAULT_DEV_CERTIFICATE=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_DEV_CERTIFICATE)' >> $$@
 	$(hide) echo 'PRODUCT_RESTRICT_VENDOR_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_RESTRICT_VENDOR_FILES)' >> $$@
-	$(hide) echo 'PRODUCT_FACTORY_RAMDISK_MODULES=$$(PRODUCTS.$(strip $(1)).PRODUCT_FACTORY_RAMDISK_MODULES)' >> $$@
 	$(hide) echo 'PRODUCT_VENDOR_KERNEL_HEADERS=$$(PRODUCTS.$(strip $(1)).PRODUCT_VENDOR_KERNEL_HEADERS)' >> $$@
 
 $(call product-debug-filename, $(p)): \
diff --git a/envsetup.sh b/envsetup.sh
index b6b62ea..531ffd9 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -14,6 +14,8 @@
 - ggrep:   Greps on all local Gradle files.
 - jgrep:   Greps on all local Java files.
 - resgrep: Greps on all local res/*.xml files.
+- mangrep: Greps on all local AndroidManifest.xml files.
+- sepgrep: Greps on all local sepolicy files.
 - sgrep:   Greps on all local source files.
 - godir:   Go to the directory containing a file.
 
@@ -1041,11 +1043,18 @@
     if [ -z "$PID" ]; then
       echo "Error: couldn't resolve pid by process name: $PROCESS_NAME"
       return -4
+    else
+      echo "Resolved pid for $PROCESS_NAME is $PID"
     fi
   fi
 
   local EXE=`adb shell readlink /proc/$PID/exe | sed s/.$//`
-  # TODO: print error in case there is no such pid
+
+  if [ -z "$EXE" ]; then
+    echo "Error: no such pid=$PID - is process still alive?"
+    return -4
+  fi
+
   local LOCAL_EXE_PATH=$SYMBOLS_DIR$EXE
 
   if [ ! -f $LOCAL_EXE_PATH ]; then
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 9c5a13b..33b49a6 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -51,6 +51,7 @@
     iptables \
     keystore \
     keystore.default \
+    ld.mc \
     libbcc \
     libOpenMAXAL \
     libOpenSLES \
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index aae7f95..56a5f97 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -26,6 +26,7 @@
     dumpstate \
     dumpsys \
     gralloc.default \
+    grep \
     gzip \
     healthd \
     init \
diff --git a/target/product/emulator.mk b/target/product/emulator.mk
index 295dfac..3a8a4aa 100644
--- a/target/product/emulator.mk
+++ b/target/product/emulator.mk
@@ -44,7 +44,8 @@
     e2fsck \
     audio.primary.goldfish \
     vibrator.goldfish \
-    power.goldfish
+    power.goldfish \
+    sensors.ranchu
 
 
 PRODUCT_COPY_FILES += \
diff --git a/target/product/full_base.mk b/target/product/full_base.mk
index 9b1a826..aec3537 100644
--- a/target/product/full_base.mk
+++ b/target/product/full_base.mk
@@ -40,7 +40,6 @@
 
 # Additional settings used in all AOSP builds
 PRODUCT_PROPERTY_OVERRIDES := \
-    ro.com.android.dateformat=MM-dd-yyyy \
     ro.config.ringtone=Ring_Synth_04.ogg \
     ro.config.notification_sound=pixiedust.ogg
 
diff --git a/target/product/generic_no_telephony.mk b/target/product/generic_no_telephony.mk
index 0713db1..ce957dd 100644
--- a/target/product/generic_no_telephony.mk
+++ b/target/product/generic_no_telephony.mk
@@ -49,9 +49,6 @@
     vibrator.default \
     power.default
 
-PRODUCT_PACKAGES += \
-    local_time.default
-
 PRODUCT_COPY_FILES := \
         frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf
 
diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index ed6bd87..b191b2c 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -35,11 +35,8 @@
 echo "ro.product.cpu.abilist64=$TARGET_CPU_ABI_LIST_64_BIT"
 
 echo "ro.product.manufacturer=$PRODUCT_MANUFACTURER"
-if [ -n "$PRODUCT_DEFAULT_LANGUAGE" ] ; then
-  echo "ro.product.locale.language=$PRODUCT_DEFAULT_LANGUAGE"
-fi
-if [ -n "$PRODUCT_DEFAULT_REGION" ] ; then
-  echo "ro.product.locale.region=$PRODUCT_DEFAULT_REGION"
+if [ -n "$PRODUCT_DEFAULT_LOCALE" ] ; then
+  echo "ro.product.locale=$PRODUCT_DEFAULT_LOCALE"
 fi
 echo "ro.wifi.channels=$PRODUCT_DEFAULT_WIFI_CHANNELS"
 echo "ro.board.platform=$TARGET_BOARD_PLATFORM"
diff --git a/tools/post_process_props.py b/tools/post_process_props.py
index 030826d..fa6106f 100755
--- a/tools/post_process_props.py
+++ b/tools/post_process_props.py
@@ -56,8 +56,6 @@
   """
   check_pass = True
   buildprops = prop.to_dict()
-  dev_build = buildprops.get("ro.build.version.incremental",
-                             "").startswith("eng")
   for key, value in buildprops.iteritems():
     # Check build properties' length.
     if len(key) > PROP_NAME_MAX:
@@ -66,19 +64,10 @@
                        (key, PROP_NAME_MAX))
       sys.stderr.write("%s (%d)\n" % (key, len(key)))
     if len(value) > PROP_VALUE_MAX:
-      # If dev build, show a warning message, otherwise fail the
-      # build with error message
-      if dev_build:
-        sys.stderr.write("warning: %s exceeds %d bytes: " %
-                         (key, PROP_VALUE_MAX))
-        sys.stderr.write("%s (%d)\n" % (value, len(value)))
-        sys.stderr.write("warning: This will cause the %s " % key)
-        sys.stderr.write("property return as empty at runtime\n")
-      else:
-        check_pass = False
-        sys.stderr.write("error: %s cannot exceed %d bytes: " %
-                         (key, PROP_VALUE_MAX))
-        sys.stderr.write("%s (%d)\n" % (value, len(value)))
+      check_pass = False
+      sys.stderr.write("error: %s cannot exceed %d bytes: " %
+                       (key, PROP_VALUE_MAX))
+      sys.stderr.write("%s (%d)\n" % (value, len(value)))
   return check_pass
 
 class PropFile:
diff --git a/tools/product_debug.py b/tools/product_debug.py
index 661c5b7..ff2657c 100755
--- a/tools/product_debug.py
+++ b/tools/product_debug.py
@@ -89,7 +89,6 @@
       "PRODUCT_COPY_FILES",
       "PRODUCT_PACKAGES",
       "PRODUCT_LOCALES",
-      "PRODUCT_FACTORY_RAMDISK_MODULES",
       "PRODUCT_PROPERTY_OVERRIDES",
     )