Add new products aosp_x86_ab and aosp_x86_64_ab

The product is for GSI with x86 64-bits and 32-bits with A/B
update.

Bug: 38339398
Test: Build pass
Change-Id: I1f945a812e0fbf8c4266d2f91624c2c674941383
Merged-In: I1f945a812e0fbf8c4266d2f91624c2c674941383
(cherry picked from commit 06956fe54c1fdd36904a1f889597ceee9c38133e)
diff --git a/target/board/generic_x86_64_ab/BoardConfig.mk b/target/board/generic_x86_64_ab/BoardConfig.mk
new file mode 100644
index 0000000..41bd7b7
--- /dev/null
+++ b/target/board/generic_x86_64_ab/BoardConfig.mk
@@ -0,0 +1,71 @@
+#
+# Copyright (C) 2017 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.
+#
+
+# Common boardconfig settings for generic AOSP products targetting mobile
+# (phone/table) devices.
+
+# System properties
+TARGET_SYSTEM_PROP := build/make/target/board/treble_system.prop
+
+# Bootloader is not part of generic AOSP image
+TARGET_NO_BOOTLOADER := true
+
+# Kernel is also not part of generic AOSP image
+TARGET_NO_KERNEL := true
+
+# system.img is always ext4 with sparse option
+TARGET_USERIMAGES_USE_EXT4 := true
+TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false
+TARGET_USES_MKE2FS := true
+
+# Enable dex pre-opt to speed up initial boot
+ifeq ($(HOST_OS),linux)
+  ifeq ($(WITH_DEXPREOPT),)
+    WITH_DEXPREOPT := true
+    WITH_DEXPREOPT_PIC := true
+    ifneq ($(TARGET_BUILD_VARIANT),user)
+      # Retain classes.dex in APK's for non-user builds
+      DEX_PREOPT_DEFAULT := nostripping
+    endif
+  endif
+endif
+
+# Generic AOSP image always requires separate vendor.img
+TARGET_COPY_OUT_VENDOR := vendor
+
+# Generic AOSP image does NOT support HWC1
+TARGET_USES_HWC2 := true
+
+TARGET_CPU_ABI := x86_64
+TARGET_ARCH := x86_64
+TARGET_ARCH_VARIANT := x86_64
+
+TARGET_2ND_CPU_ABI := x86
+TARGET_2ND_ARCH := x86
+TARGET_2ND_ARCH_VARIANT := x86_64
+
+TARGET_USES_64_BIT_BINDER := true
+
+# Enable A/B update
+BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
+
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1610612736	# 1.5 GB
+
+# TODO(b/35790399): remove when b/35790399 is fixed.
+BOARD_NAND_SPARE_SIZE := 0
+BOARD_FLASH_BLOCK_SIZE := 512
+
+BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
diff --git a/target/board/generic_x86_ab/BoardConfig.mk b/target/board/generic_x86_ab/BoardConfig.mk
new file mode 100644
index 0000000..6a28667
--- /dev/null
+++ b/target/board/generic_x86_ab/BoardConfig.mk
@@ -0,0 +1,65 @@
+#
+# Copyright (C) 2017 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.
+#
+
+# Common boardconfig settings for generic AOSP products targetting mobile
+# (phone/table) devices.
+
+# System properties
+TARGET_SYSTEM_PROP := build/make/target/board/treble_system.prop
+
+# Bootloader is not part of generic AOSP image
+TARGET_NO_BOOTLOADER := true
+
+# Kernel is also not part of generic AOSP image
+TARGET_NO_KERNEL := true
+
+# system.img is always ext4 with sparse option
+TARGET_USERIMAGES_USE_EXT4 := true
+TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false
+TARGET_USES_MKE2FS := true
+
+# Enable dex pre-opt to speed up initial boot
+ifeq ($(HOST_OS),linux)
+  ifeq ($(WITH_DEXPREOPT),)
+    WITH_DEXPREOPT := true
+    WITH_DEXPREOPT_PIC := true
+    ifneq ($(TARGET_BUILD_VARIANT),user)
+      # Retain classes.dex in APK's for non-user builds
+      DEX_PREOPT_DEFAULT := nostripping
+    endif
+  endif
+endif
+
+# Generic AOSP image always requires separate vendor.img
+TARGET_COPY_OUT_VENDOR := vendor
+
+# Generic AOSP image does NOT support HWC1
+TARGET_USES_HWC2 := true
+
+TARGET_CPU_ABI := x86
+TARGET_ARCH := x86
+TARGET_ARCH_VARIANT := x86
+
+# Enable A/B update
+BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
+
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1610612736	# 1.5 GB
+
+# TODO(b/35790399): remove when b/35790399 is fixed.
+BOARD_NAND_SPARE_SIZE := 0
+BOARD_FLASH_BLOCK_SIZE := 512
+
+BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
diff --git a/target/product/AndroidProducts.mk b/target/product/AndroidProducts.mk
index b95a286..9e2adee 100644
--- a/target/product/AndroidProducts.mk
+++ b/target/product/AndroidProducts.mk
@@ -56,6 +56,7 @@
     $(LOCAL_DIR)/full.mk \
     $(LOCAL_DIR)/aosp_x86.mk \
     $(LOCAL_DIR)/aosp_x86_a.mk \
+    $(LOCAL_DIR)/aosp_x86_ab.mk \
     $(LOCAL_DIR)/aosp_x86_arm.mk \
     $(LOCAL_DIR)/full_x86.mk \
     $(LOCAL_DIR)/aosp_mips.mk \
@@ -66,6 +67,7 @@
     $(LOCAL_DIR)/aosp_mips64.mk \
     $(LOCAL_DIR)/aosp_x86_64.mk \
     $(LOCAL_DIR)/aosp_x86_64_a.mk \
+    $(LOCAL_DIR)/aosp_x86_64_ab.mk \
     $(LOCAL_DIR)/sdk_phone_armv7.mk \
     $(LOCAL_DIR)/sdk_phone_x86.mk \
     $(LOCAL_DIR)/sdk_phone_mips.mk \
diff --git a/target/product/aosp_x86_64_ab.mk b/target/product/aosp_x86_64_ab.mk
new file mode 100644
index 0000000..4fb2acf
--- /dev/null
+++ b/target/product/aosp_x86_64_ab.mk
@@ -0,0 +1,36 @@
+#
+# Copyright (C) 2017 The Android Open-Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# PRODUCT_PROPERTY_OVERRIDES cannot be used here because sysprops will be at
+# /vendor/[build|default].prop when build split is on. In order to have sysprops
+# on the generic system image, place them in build/make/target/board/generic_arm64_a/
+# system.prop.
+
+include build/make/target/product/treble_common.mk
+
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
+
+PRODUCT_NAME := aosp_x86_64_ab
+PRODUCT_DEVICE := generic_x86_64_ab
+PRODUCT_BRAND := Android
+PRODUCT_MODEL := AOSP on x86_64
diff --git a/target/product/aosp_x86_ab.mk b/target/product/aosp_x86_ab.mk
new file mode 100644
index 0000000..4bd63ab
--- /dev/null
+++ b/target/product/aosp_x86_ab.mk
@@ -0,0 +1,35 @@
+#
+# Copyright (C) 2017 The Android Open-Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# PRODUCT_PROPERTY_OVERRIDES cannot be used here because sysprops will be at
+# /vendor/[build|default].prop when build split is on. In order to have sysprops
+# on the generic system image, place them in build/make/target/board/generic_arm64_a/
+# system.prop.
+
+include build/make/target/product/treble_common.mk
+
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
+
+PRODUCT_NAME := aosp_x86_ab
+PRODUCT_DEVICE := generic_x86_ab
+PRODUCT_BRAND := Android
+PRODUCT_MODEL := AOSP on x86