diff --git a/core/Makefile b/core/Makefile
index a1d483b..dc760b5 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1139,7 +1139,8 @@
 	@echo Installed file list: $@
 	@mkdir -p $(dir $@)
 	@rm -f $@
-	$(hide) build/tools/fileslist.py $(TARGET_OUT) > $@
+	$(hide) build/tools/fileslist.py $(TARGET_OUT) > $(@:.txt=.json)
+	$(hide) build/tools/fileslist_util.py -c $(@:.txt=.json) > $@
 
 .PHONY: installed-file-list
 installed-file-list: $(INSTALLED_FILES_FILE)
@@ -1575,7 +1576,8 @@
 	@echo Installed file list: $@
 	@mkdir -p $(dir $@)
 	@rm -f $@
-	$(hide) build/tools/fileslist.py $(TARGET_OUT_VENDOR) > $@
+	$(hide) build/tools/fileslist.py $(TARGET_OUT_VENDOR) > $(@:.txt=.json)
+	$(hide) build/tools/fileslist_util.py -c $(@:.txt=.json) > $@
 
 vendorimage_intermediates := \
     $(call intermediates-dir-for,PACKAGING,vendor)
@@ -2027,6 +2029,15 @@
 $(call dist-for-goals, target-files-package, $(BUILT_TARGET_FILES_PACKAGE))
 endif
 
+# -----------------------------------------------------------------
+# NDK Sysroot Package
+NDK_SYSROOT_TARGET := $(PRODUCT_OUT)/ndk_sysroot.tar.bz2
+$(NDK_SYSROOT_TARGET): ndk
+	@echo Package NDK sysroot...
+	$(hide) tar cjf $@ -C $(SOONG_OUT_DIR) ndk
+
+$(call dist-for-goals,sdk,$(NDK_SYSROOT_TARGET))
+
 ifeq ($(build_ota_package),true)
 # -----------------------------------------------------------------
 # OTA update package
diff --git a/core/binary.mk b/core/binary.mk
index c682d4e..8467876 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -58,7 +58,7 @@
 my_export_c_include_dirs := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
 my_export_c_include_deps := $(LOCAL_EXPORT_C_INCLUDE_DEPS)
 
-ifneq (,$(foreach dir,$(COVERAGE_PATHS),$(filter $(dir)%,$(LOCAL_PATH))))
+ifneq (,$(strip $(foreach dir,$(subst $(comma),$(space),$(COVERAGE_PATHS)),$(filter $(dir)%,$(LOCAL_PATH)))))
   my_native_coverage := true
 else
   my_native_coverage := false
@@ -159,7 +159,7 @@
   my_ndk_stl_include_path :=
   my_ndk_stl_shared_lib_fullpath :=
   my_ndk_stl_static_lib :=
-  my_ndk_stl_cppflags :=
+  my_ndk_cpp_std_version :=
   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
@@ -235,7 +235,7 @@
 
     my_ldlibs += -ldl
 
-    my_ndk_stl_cppflags := -std=c++11
+    my_ndk_cpp_std_version := c++11
   else # LOCAL_NDK_STL_VARIANT is not c++_* either
   ifneq (,$(filter gnustl_%, $(LOCAL_NDK_STL_VARIANT)))
     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 \
@@ -367,30 +367,38 @@
     my_clang := true
 endif
 
-my_cpp_std_version := -std=gnu++14
+my_c_std_version := $(DEFAULT_C_STD_VERSION)
+my_cpp_std_version := $(DEFAULT_CPP_STD_VERSION)
 
 ifneq ($(my_clang),true)
     # GCC uses an invalid C++14 ABI (emits calls to
     # __cxa_throw_bad_array_length, which is not a valid C++ RT ABI).
     # http://b/25022512
-    my_cpp_std_version := -std=gnu++11
+    my_cpp_std_version := $(DEFAULT_GCC_CPP_STD_VERSION)
 endif
 
 ifdef LOCAL_SDK_VERSION
     # The NDK handles this itself.
-    my_cpp_std_version :=
+    my_cpp_std_version := $(my_ndk_cpp_std_version)
 endif
 
 ifdef LOCAL_IS_HOST_MODULE
     ifneq ($(my_clang),true)
         # The host GCC doesn't support C++14 (and is deprecated, so likely
         # never will). Build these modules with C++11.
-        my_cpp_std_version := -std=gnu++11
+        my_cpp_std_version := $(DEFAULT_GCC_CPP_STD_VERSION)
     endif
 endif
 
-my_cppflags := $(my_cpp_std_version) $(my_cppflags)
+my_c_std_conlyflags :=
+my_cpp_std_cppflags :=
+ifneq (,$(my_c_std_version))
+    my_c_std_conlyflags := -std=$(my_c_std_version)
+endif
 
+ifneq (,$(my_cpp_std_version))
+   my_cpp_std_cppflags := -std=$(my_cpp_std_version)
+endif
 
 # arch-specific static libraries go first so that generic ones can depend on them
 my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_static_libraries)
@@ -467,7 +475,6 @@
 ifdef LOCAL_SDK_VERSION
 my_target_global_c_includes :=
 my_target_global_c_system_includes := $(my_ndk_stl_include_path) $(my_ndk_sysroot_include)
-my_target_global_cppflags := $(my_ndk_stl_cppflags)
 else
 my_target_global_c_includes := $(SRC_HEADERS) \
     $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)PROJECT_INCLUDES) \
@@ -475,18 +482,17 @@
 my_target_global_c_system_includes := $(SRC_SYSTEM_HEADERS) \
     $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)PROJECT_SYSTEM_INCLUDES) \
     $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)C_SYSTEM_INCLUDES)
-my_target_global_cppflags :=
 endif # LOCAL_SDK_VERSION
 
 ifeq ($(my_clang),true)
 my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CFLAGS)
-my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS)
-my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS)
+my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS) $(my_c_std_conlyflags)
+my_target_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS) $(my_cpp_std_cppflags)
 my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LDFLAGS)
 else
 my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CFLAGS)
-my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS)
-my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CPPFLAGS)
+my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS) $(my_c_std_conlyflags)
+my_target_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CPPFLAGS) $(my_cpp_std_cppflags)
 my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_LDFLAGS)
 endif # my_clang
 
@@ -508,13 +514,13 @@
 
 ifeq ($(my_clang),true)
 my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CFLAGS)
-my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS)
-my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS)
+my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS) $(my_c_std_conlyflags)
+my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS) $(my_cpp_std_cppflags)
 my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LDFLAGS)
 else
 my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CFLAGS)
-my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS)
-my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CPPFLAGS)
+my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS) $(my_c_std_conlyflags)
+my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CPPFLAGS) $(my_cpp_std_cppflags)
 my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_LDFLAGS)
 endif # my_clang
 
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index ab54b1d..7a0fb95 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -104,7 +104,8 @@
 	--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
 	--instruction-set-variant=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT) \
 	--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-	--include-patch-information --runtime-arg -Xnorelocate --no-generate-debug-info \
+	--include-patch-information --runtime-arg -Xnorelocate \
+	--no-generate-debug-info --generate-build-id \
 	--abort-on-hard-verifier-error \
 	--no-inline-from=core-oj.jar \
 	$(PRIVATE_DEX_PREOPT_FLAGS) \
diff --git a/core/dex_preopt_libart_boot.mk b/core/dex_preopt_libart_boot.mk
index c26b0fc..5d383a9 100644
--- a/core/dex_preopt_libart_boot.mk
+++ b/core/dex_preopt_libart_boot.mk
@@ -71,6 +71,7 @@
 		--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
 		--instruction-set-variant=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT) \
 		--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate --no-generate-debug-info \
+		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate \
+		--no-generate-debug-info --generate-build-id \
 		--multi-image --no-inline-from=core-oj.jar \
 		$(PRODUCT_DEX_PREOPT_BOOT_FLAGS) $(GLOBAL_DEXPREOPT_FLAGS) $(COMPILED_CLASSES_FLAGS) $(ART_BOOT_IMAGE_EXTRA_ARGS)
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 325b0ce..b471f9a 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -35,6 +35,7 @@
 ifeq ($(HOST_OS),linux)
   ifeq ($(WITH_DEXPREOPT),)
     WITH_DEXPREOPT := true
+    WITH_DEXPREOPT_BOOT_IMG_ONLY := false
   endif
 endif
 
diff --git a/target/board/generic/sepolicy/goldfish_setup.te b/target/board/generic/sepolicy/goldfish_setup.te
index b8f121c..bc25967 100644
--- a/target/board/generic/sepolicy/goldfish_setup.te
+++ b/target/board/generic/sepolicy/goldfish_setup.te
@@ -12,6 +12,7 @@
 allow goldfish_setup toolbox_exec:file rx_file_perms;
 allow goldfish_setup self:capability { net_admin net_raw };
 allow goldfish_setup self:udp_socket create_socket_perms;
+allowxperm goldfish_setup self:udp_socket ioctl priv_sock_ioctls;
 
 net_domain(goldfish_setup)
 
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index 02d0a6f..34fffed 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -65,6 +65,7 @@
 ifeq ($(HOST_OS),linux)
   ifeq ($(WITH_DEXPREOPT),)
     WITH_DEXPREOPT := true
+    WITH_DEXPREOPT_BOOT_IMG_ONLY := false
   endif
 endif
 
diff --git a/target/board/generic_mips/BoardConfig.mk b/target/board/generic_mips/BoardConfig.mk
index 1152105..b68d88b 100644
--- a/target/board/generic_mips/BoardConfig.mk
+++ b/target/board/generic_mips/BoardConfig.mk
@@ -42,6 +42,7 @@
 ifeq ($(HOST_OS),linux)
   ifeq ($(WITH_DEXPREOPT),)
     WITH_DEXPREOPT := true
+    WITH_DEXPREOPT_BOOT_IMG_ONLY := false
   endif
 endif
 
diff --git a/target/board/generic_mips64/BoardConfig.mk b/target/board/generic_mips64/BoardConfig.mk
index ed9c9b3..44e6287 100644
--- a/target/board/generic_mips64/BoardConfig.mk
+++ b/target/board/generic_mips64/BoardConfig.mk
@@ -57,6 +57,7 @@
 ifeq ($(HOST_OS),linux)
   ifeq ($(WITH_DEXPREOPT),)
     WITH_DEXPREOPT := true
+    WITH_DEXPREOPT_BOOT_IMG_ONLY := false
   endif
 endif
 
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 50ecb98..f8ac496 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -22,6 +22,7 @@
 # of an SDK AVD. Note that this operation only works on Linux for now
 ifeq ($(HOST_OS),linux)
 WITH_DEXPREOPT ?= true
+WITH_DEXPREOPT_BOOT_IMG_ONLY ?= false
 endif
 
 # Build OpenGLES emulation host and guest libraries
diff --git a/target/board/generic_x86_64/BoardConfig.mk b/target/board/generic_x86_64/BoardConfig.mk
index 6958ba5..bd831f8 100755
--- a/target/board/generic_x86_64/BoardConfig.mk
+++ b/target/board/generic_x86_64/BoardConfig.mk
@@ -28,6 +28,7 @@
 # of an SDK AVD. Note that this operation only works on Linux for now
 ifeq ($(HOST_OS),linux)
 WITH_DEXPREOPT ?= true
+WITH_DEXPREOPT_BOOT_IMG_ONLY ?= false
 endif
 
 # Build OpenGLES emulation host and guest libraries
diff --git a/target/board/generic_x86_arm/BoardConfig.mk b/target/board/generic_x86_arm/BoardConfig.mk
index 6e2573e..75207fc 100644
--- a/target/board/generic_x86_arm/BoardConfig.mk
+++ b/target/board/generic_x86_arm/BoardConfig.mk
@@ -39,6 +39,7 @@
 ifeq ($(HOST_OS),linux)
   ifeq ($(WITH_DEXPREOPT),)
     WITH_DEXPREOPT := true
+    WITH_DEXPREOPT_BOOT_IMG_ONLY := false
   endif
 endif
 
diff --git a/tools/fat16copy.py b/tools/fat16copy.py
index 1dd15b7..af8bd83 100755
--- a/tools/fat16copy.py
+++ b/tools/fat16copy.py
@@ -222,7 +222,8 @@
       data.seek(0, os.SEEK_END)
       size = data.tell()
 
-    chunk = self.backing.fs.allocate(size or 1)
+    # Empty files shouldn't have any clusters assigned.
+    chunk = self.backing.fs.allocate(size) if size > 0 else 0
     (shortname, ext) = self.make_short_name(name)
     self.add_dentry(0, shortname, ext, name, chunk, size)
 
@@ -240,10 +241,19 @@
     """
     chunk = self.backing.fs.allocate(1)
     (shortname, ext) = self.make_short_name(name)
-    new_dentry = dentry(self.backing.fs, ATTRIBUTE_SUBDIRECTORY,
-        shortname, ext, name, chunk, 0)
-    new_dentry.commit(self.backing)
-    return new_dentry.open_directory()
+    new_dentry = self.add_dentry(ATTRIBUTE_SUBDIRECTORY, shortname,
+            ext, name, chunk, 0)
+    result = new_dentry.open_directory()
+
+    parent_cluster = 0
+
+    if hasattr(self.backing, 'start_cluster'):
+      parent_cluster = self.backing.start_cluster
+
+    result.add_dentry(ATTRIBUTE_SUBDIRECTORY, '.', '', '', chunk, 0)
+    result.add_dentry(ATTRIBUTE_SUBDIRECTORY, '..', '', '', parent_cluster, 0)
+
+    return result
 
 def lfn_checksum(name_data):
   """
@@ -380,28 +390,23 @@
     record_count = len(longname_record_data) + 1
 
     found_count = 0
-
-    while True:
+    while found_count < record_count:
       record = f.read(32)
 
       if record is None or len(record) != 32:
-        break
+        # We reached the EOF, so we need to extend the file with a new cluster.
+        f.write("\0" * self.fs.bytes_per_cluster)
+        f.seek(-self.fs.bytes_per_cluster, os.SEEK_CUR)
+        record = f.read(32)
 
       marker = struct.unpack("B", record[0])[0]
 
       if marker == DEL_MARKER or marker == 0:
         found_count += 1
-
-        if found_count == record_count:
-          break
       else:
         found_count = 0
 
-    if found_count != record_count:
-      f.write("\0" * self.fs.bytes_per_cluster)
-      f.seek(-self.fs.bytes_per_cluster, os.SEEK_CUR)
-    else:
-      f.seek(-(record_count * 32), os.SEEK_CUR)
+    f.seek(-(record_count * 32), os.SEEK_CUR)
     f.write(entry)
 
 class root_dentry_file(fake_file):
@@ -624,6 +629,8 @@
     Allocate a new cluster chain big enough to hold at least the given amount
     of bytes.
     """
+    assert amount > 0, "Must allocate a non-zero amount."
+
     f = self.f
     f.seek(FAT_TABLE_START + 4)
 
@@ -686,38 +693,17 @@
     Given a cluster which is the *last* cluster in a chain, extend it to hold
     at least `amount` more bytes.
     """
-    return_cluster = None
+    if amount == 0:
+      return
     f = self.f
-
-    position = FAT_TABLE_START + cluster * 2
-    f.seek(position)
-
+    entry_offset = FAT_TABLE_START + cluster * 2
+    f.seek(entry_offset)
     assert read_le_short(f) == 0xFFFF, "Extending from middle of chain"
-    rewind_short(f)
 
-    while position + 2 < FAT_TABLE_START + self.fat_size and amount > 0:
-      skip_short(f)
-      got = read_le_short(f)
-      rewind_short(f)
-      rewind_short(f)
-
-      if got != 0:
-        break
-
-      cluster += 1
-      return_cluster = return_cluster or cluster
-      position += 2
-      self.write_cluster_entry(cluster)
-
-    if amount < 0:
-      self.write_cluster_entry(0xFFFF)
-      return return_cluster
-
-    new_chunk = self.allocate(amount)
-    f.seek(FAT_TABLE_START + cluster * 2)
-    self.write_cluster_entry(new_chunk)
-
-    return return_cluster or new_chunk
+    return_cluster = self.allocate(amount)
+    f.seek(entry_offset)
+    self.write_cluster_entry(return_cluster)
+    return return_cluster
 
   def write_file(self, head_cluster, start_byte, data):
     """
@@ -728,35 +714,31 @@
     data: The data to write.
     """
     f = self.f
+    last_offset = start_byte + len(data)
+    current_offset = 0
+    current_cluster = head_cluster
 
-    while True:
-      if start_byte < self.bytes_per_cluster:
-        to_write = data[:self.bytes_per_cluster - start_byte]
-        data = data[self.bytes_per_cluster - start_byte:]
+    while current_offset < last_offset:
+      # Write everything that falls in the cluster starting at current_offset.
+      data_begin = max(0, current_offset - start_byte)
+      data_end = min(len(data),
+                     current_offset + self.bytes_per_cluster - start_byte)
+      if data_end > data_begin:
+        cluster_file_offset = (self.data_start() + self.root_entries * 32 +
+                               (current_cluster - 2) * self.bytes_per_cluster)
+        f.seek(cluster_file_offset + max(0, start_byte - current_offset))
+        f.write(data[data_begin:data_end])
 
-        cluster_bytes_from_root = (head_cluster - 2) * \
-            self.bytes_per_cluster
-        bytes_from_root = cluster_bytes_from_root + start_byte
-        bytes_from_data_start = bytes_from_root + self.root_entries * 32
+      # Advance to the next cluster in the chain or get a new cluster if needed.
+      current_offset += self.bytes_per_cluster
+      if last_offset > current_offset:
+        f.seek(FAT_TABLE_START + current_cluster * 2)
+        next_cluster = read_le_short(f)
+        if next_cluster > MAX_CLUSTER_ID:
+          next_cluster = self.extend_cluster(current_cluster, len(data))
+        current_cluster = next_cluster
+        assert current_cluster > 0, "Cannot write free cluster"
 
-        f.seek(self.data_start() + bytes_from_data_start)
-        f.write(to_write)
-
-        if len(data) == 0:
-          return
-
-      start_byte -= self.bytes_per_cluster
-
-      if start_byte < 0:
-        start_byte = 0
-
-      f.seek(FAT_TABLE_START + head_cluster * 2)
-      next_cluster = read_le_short(f)
-      if next_cluster > MAX_CLUSTER_ID:
-        head_cluster = self.extend_cluster(head_cluster, len(data))
-      else:
-        head_cluster = next_cluster
-      assert head_cluster > 0, "Cannot write free cluster"
 
 def add_item(directory, item):
   """
@@ -770,7 +752,7 @@
     if len(base) == 0:
       base = os.path.basename(item[:-1])
     sub = directory.new_subdirectory(base)
-    for next_item in os.listdir(item):
+    for next_item in sorted(os.listdir(item)):
       add_item(sub, os.path.join(item, next_item))
   else:
     with open(item, 'rb') as f:
diff --git a/tools/fileslist.py b/tools/fileslist.py
index a11efaa..b9e7350 100755
--- a/tools/fileslist.py
+++ b/tools/fileslist.py
@@ -15,12 +15,24 @@
 # limitations under the License.
 #
 
-import operator, os, sys
+import json, hashlib, operator, os, sys
 
 def get_file_size(path):
   st = os.lstat(path)
   return st.st_size;
 
+def get_file_digest(path):
+  if os.path.isfile(path) == False:
+    return "----------------------------------------------------------------"
+  digest = hashlib.sha256()
+  with open(path, 'rb') as f:
+    while True:
+      buf = f.read(1024*1024)
+      if not buf:
+        break
+      digest.update(buf)
+  return digest.hexdigest();
+
 def main(argv):
   output = []
   roots = argv[1:]
@@ -30,16 +42,17 @@
       relative = dir[base:]
       for f in files:
         try:
-          row = (
-              get_file_size(os.path.sep.join((dir, f))),
-              os.path.sep.join((relative, f)),
-            )
+          path = os.path.sep.join((dir, f))
+          row = {
+              "Size": get_file_size(path),
+              "Name": os.path.sep.join((relative, f)),
+              "SHA256": get_file_digest(path),
+            }
           output.append(row)
         except os.error:
           pass
-  output.sort(key=operator.itemgetter(0), reverse=True)
-  for row in output:
-    print "%12d  %s" % row
+  output.sort(key=operator.itemgetter("Size", "Name"), reverse=True)
+  print json.dumps(output, indent=2, separators=(',',': '))
 
 if __name__ == '__main__':
   main(sys.argv)
diff --git a/tools/fileslist_util.py b/tools/fileslist_util.py
new file mode 100755
index 0000000..ff40d51
--- /dev/null
+++ b/tools/fileslist_util.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 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.
+#
+
+import getopt, json, sys
+
+def PrintFileNames(path):
+  with open(path) as jf:
+    data = json.load(jf)
+  for line in data:
+    print(line["Name"])
+
+def PrintCanonicalList(path):
+  with open(path) as jf:
+    data = json.load(jf)
+  for line in data:
+    print "{0:12d}  {1}".format(line["Size"], line["Name"])
+
+def PrintUsage(name):
+  print("""
+Usage: %s -[nc] json_files_list
+ -n produces list of files only
+ -c produces classic installed-files.txt
+""" % (name))
+
+def main(argv):
+  try:
+    opts, args = getopt.getopt(argv[1:], "nc", "")
+  except getopt.GetoptError, err:
+    print(err)
+    PrintUsage(argv[0])
+    sys.exit(2)
+
+  if len(opts) == 0:
+    print("No conversion option specified")
+    PrintUsage(argv[0])
+    sys.exit(2)
+
+  if len(args) == 0:
+    print("No input file specified")
+    PrintUsage(argv[0])
+    sys.exit(2)
+
+  for o, a in opts:
+    if o == ("-n"):
+      PrintFileNames(args[0])
+      sys.exit()
+    elif o == ("-c"):
+      PrintCanonicalList(args[0])
+      sys.exit()
+    else:
+      assert False, "Unsupported option"
+
+if __name__ == '__main__':
+  main(sys.argv)
diff --git a/tools/warn.py b/tools/warn.py
index 3c75825..45ffda0 100755
--- a/tools/warn.py
+++ b/tools/warn.py
@@ -81,6 +81,7 @@
 #   dump_csv():
 
 import argparse
+import multiprocessing
 import os
 import re
 
@@ -99,6 +100,10 @@
 parser.add_argument('--separator',
                     help='Separator between the end of a URL and the line '
                     'number argument. e.g. #')
+parser.add_argument('--processes',
+                    type=int,
+                    default=multiprocessing.cpu_count(),
+                    help='Number of parallel processes to process warnings')
 parser.add_argument(dest='buildlog', metavar='build.log',
                     help='Path to build.log file')
 args = parser.parse_args()
@@ -1696,14 +1701,47 @@
     simple_project_pattern('frameworks/av/cmds'),
     simple_project_pattern('frameworks/av/drm'),
     simple_project_pattern('frameworks/av/include'),
-    simple_project_pattern('frameworks/av/media'),
+    simple_project_pattern('frameworks/av/media/common_time'),
+    simple_project_pattern('frameworks/av/media/img_utils'),
+    simple_project_pattern('frameworks/av/media/libcpustats'),
+    simple_project_pattern('frameworks/av/media/libeffects'),
+    simple_project_pattern('frameworks/av/media/libmediaplayerservice'),
+    simple_project_pattern('frameworks/av/media/libmedia'),
+    simple_project_pattern('frameworks/av/media/libstagefright'),
+    simple_project_pattern('frameworks/av/media/mtp'),
+    simple_project_pattern('frameworks/av/media/ndk'),
+    simple_project_pattern('frameworks/av/media/utils'),
+    project_name_and_pattern('frameworks/av/media/Other',
+                             'frameworks/av/media'),
     simple_project_pattern('frameworks/av/radio'),
     simple_project_pattern('frameworks/av/services'),
+    simple_project_pattern('frameworks/av/soundtrigger'),
     project_name_and_pattern('frameworks/av/Other', 'frameworks/av'),
-    simple_project_pattern('frameworks/base'),
-    simple_project_pattern('frameworks/compile'),
+    simple_project_pattern('frameworks/base/cmds'),
+    simple_project_pattern('frameworks/base/core'),
+    simple_project_pattern('frameworks/base/drm'),
+    simple_project_pattern('frameworks/base/media'),
+    simple_project_pattern('frameworks/base/libs'),
+    simple_project_pattern('frameworks/base/native'),
+    simple_project_pattern('frameworks/base/packages'),
+    simple_project_pattern('frameworks/base/rs'),
+    simple_project_pattern('frameworks/base/services'),
+    simple_project_pattern('frameworks/base/tests'),
+    simple_project_pattern('frameworks/base/tools'),
+    project_name_and_pattern('frameworks/base/Other', 'frameworks/base'),
+    simple_project_pattern('frameworks/compile/libbcc'),
+    simple_project_pattern('frameworks/compile/mclinker'),
+    simple_project_pattern('frameworks/compile/slang'),
+    project_name_and_pattern('frameworks/compile/Other', 'frameworks/compile'),
     simple_project_pattern('frameworks/minikin'),
-    simple_project_pattern('frameworks/native'),
+    simple_project_pattern('frameworks/ml'),
+    simple_project_pattern('frameworks/native/cmds'),
+    simple_project_pattern('frameworks/native/include'),
+    simple_project_pattern('frameworks/native/libs'),
+    simple_project_pattern('frameworks/native/opengl'),
+    simple_project_pattern('frameworks/native/services'),
+    simple_project_pattern('frameworks/native/vulkan'),
+    project_name_and_pattern('frameworks/native/Other', 'frameworks/native'),
     simple_project_pattern('frameworks/opt'),
     simple_project_pattern('frameworks/rs'),
     simple_project_pattern('frameworks/webview'),
@@ -1730,16 +1768,58 @@
     simple_project_pattern('prebuilts'),
     simple_project_pattern('system/bt'),
     simple_project_pattern('system/connectivity'),
-    simple_project_pattern('system/core'),
-    simple_project_pattern('system/extras'),
+    simple_project_pattern('system/core/adb'),
+    simple_project_pattern('system/core/base'),
+    simple_project_pattern('system/core/debuggerd'),
+    simple_project_pattern('system/core/fastboot'),
+    simple_project_pattern('system/core/fingerprintd'),
+    simple_project_pattern('system/core/fs_mgr'),
+    simple_project_pattern('system/core/gatekeeperd'),
+    simple_project_pattern('system/core/healthd'),
+    simple_project_pattern('system/core/include'),
+    simple_project_pattern('system/core/init'),
+    simple_project_pattern('system/core/libbacktrace'),
+    simple_project_pattern('system/core/liblog'),
+    simple_project_pattern('system/core/libpixelflinger'),
+    simple_project_pattern('system/core/libprocessgroup'),
+    simple_project_pattern('system/core/libsysutils'),
+    simple_project_pattern('system/core/logcat'),
+    simple_project_pattern('system/core/logd'),
+    simple_project_pattern('system/core/run-as'),
+    simple_project_pattern('system/core/sdcard'),
+    simple_project_pattern('system/core/toolbox'),
+    project_name_and_pattern('system/core/Other', 'system/core'),
+    simple_project_pattern('system/extras/ANRdaemon'),
+    simple_project_pattern('system/extras/cpustats'),
+    simple_project_pattern('system/extras/crypto-perf'),
+    simple_project_pattern('system/extras/ext4_utils'),
+    simple_project_pattern('system/extras/f2fs_utils'),
+    simple_project_pattern('system/extras/iotop'),
+    simple_project_pattern('system/extras/libfec'),
+    simple_project_pattern('system/extras/memory_replay'),
+    simple_project_pattern('system/extras/micro_bench'),
+    simple_project_pattern('system/extras/mmap-perf'),
+    simple_project_pattern('system/extras/multinetwork'),
+    simple_project_pattern('system/extras/perfprofd'),
+    simple_project_pattern('system/extras/procrank'),
+    simple_project_pattern('system/extras/runconuid'),
+    simple_project_pattern('system/extras/showmap'),
+    simple_project_pattern('system/extras/simpleperf'),
+    simple_project_pattern('system/extras/su'),
+    simple_project_pattern('system/extras/tests'),
+    simple_project_pattern('system/extras/verity'),
+    project_name_and_pattern('system/extras/Other', 'system/extras'),
     simple_project_pattern('system/gatekeeper'),
     simple_project_pattern('system/keymaster'),
+    simple_project_pattern('system/libhidl'),
     simple_project_pattern('system/libhwbinder'),
     simple_project_pattern('system/media'),
     simple_project_pattern('system/netd'),
+    simple_project_pattern('system/nvram'),
     simple_project_pattern('system/security'),
     simple_project_pattern('system/sepolicy'),
     simple_project_pattern('system/tools'),
+    simple_project_pattern('system/update_engine'),
     simple_project_pattern('system/vold'),
     project_name_and_pattern('system/Other', 'system'),
     simple_project_pattern('toolchain'),
@@ -1991,22 +2071,13 @@
   return -1
 
 
-def classify_warning(line):
+def classify_one_warning(line, results):
   for i in range(len(warn_patterns)):
     w = warn_patterns[i]
     for cpat in w['compiled_patterns']:
       if cpat.match(line):
-        w['members'].append(line)
         p = find_project_index(line)
-        index = len(warning_messages)
-        warning_messages.append(line)
-        warning_records.append([i, p, index])
-        pname = '???' if p < 0 else project_names[p]
-        # Count warnings by project.
-        if pname in w['projects']:
-          w['projects'][pname] += 1
-        else:
-          w['projects'][pname] = 1
+        results.append([line, i, p])
         return
       else:
         # If we end up here, there was a problem parsing the log
@@ -2015,6 +2086,38 @@
         pass
 
 
+def classify_warnings(lines):
+  results = []
+  for line in lines:
+    classify_one_warning(line, results)
+  return results
+
+
+def parallel_classify_warnings(warning_lines):
+  """Classify all warning lines with num_cpu parallel processes."""
+  num_cpu = args.processes
+  groups = [[] for x in range(num_cpu)]
+  i = 0
+  for x in warning_lines:
+    groups[i].append(x)
+    i = (i + 1) % num_cpu
+  pool = multiprocessing.Pool(num_cpu)
+  group_results = pool.map(classify_warnings, groups)
+  for result in group_results:
+    for line, pattern_idx, project_idx in result:
+      pattern = warn_patterns[pattern_idx]
+      pattern['members'].append(line)
+      message_idx = len(warning_messages)
+      warning_messages.append(line)
+      warning_records.append([pattern_idx, project_idx, message_idx])
+      pname = '???' if project_idx < 0 else project_names[project_idx]
+      # Count warnings by project.
+      if pname in pattern['projects']:
+        pattern['projects'][pname] += 1
+      else:
+        pattern['projects'][pname] = 1
+
+
 def compile_patterns():
   """Precompiling every pattern speeds up parsing by about 30x."""
   for i in warn_patterns:
@@ -2082,14 +2185,12 @@
   warning_pattern = re.compile('^[^ ]*/[^ ]*: warning: .*')
   compile_patterns()
 
-  # read the log file and classify all the warnings
+  # Collect all warnings into the warning_lines set.
   warning_lines = set()
   for line in infile:
     if warning_pattern.match(line):
       line = normalize_warning_line(line)
-      if line not in warning_lines:
-        classify_warning(line)
-        warning_lines.add(line)
+      warning_lines.add(line)
     elif line_counter < 50:
       # save a little bit of time by only doing this for the first few lines
       line_counter += 1
@@ -2102,6 +2203,7 @@
       m = re.search('(?<=^TARGET_BUILD_VARIANT=).*', line)
       if m is not None:
         target_variant = m.group(0)
+  parallel_classify_warnings(warning_lines)
 
 
 # Return s with escaped backslash and quotation characters.
diff --git a/tools/zipalign/ZipAlign.cpp b/tools/zipalign/ZipAlign.cpp
index aef91a5..d56ac29 100644
--- a/tools/zipalign/ZipAlign.cpp
+++ b/tools/zipalign/ZipAlign.cpp
@@ -19,8 +19,9 @@
  */
 #include "ZipFile.h"
 
-#include <stdlib.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
 
 using namespace android;
 
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index a9c2d33..63d75d1 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -23,10 +23,11 @@
 #include "ZipEntry.h"
 #include <utils/Log.h>
 
-#include <stdio.h>
-#include <string.h>
 #include <assert.h>
 #include <inttypes.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
 
 using namespace android;