Add A/B update to GSI

The feature should work fine on the devices with partition _a and _b.
and will not be enabled on the devices without partition _a and _b.

Bug: 110763858
Test: build aosp_arm64-userdebug and aosp_arm64_ab-userdebug
Change-Id: I9f783dd6fe69eff2536a6aac0506e41c724510b2

target/product/aosp_arm.mk

@@ -14,6 +14,13 @@
 # limitations under the License.
 #
 
+# The system image of aosp_arm-userdebug is a GSI for the devices with:
+# - ARM 32 bits user space
+# - 64 bits binder interface
+# - system-as-root
+# - VNDK enforcement
+# - compatible property override enabled
+
 -include device/generic/goldfish/arm32-vendor.mk
 
 # TODO(b/78308559): includes vr_hwc into GSI before vr_hwc move to vendor
@@ -22,6 +29,13 @@ PRODUCT_PACKAGES += \
 
 include $(SRC_TARGET_DIR)/product/full.mk
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 # Needed by Pi newly launched device to pass VtsTrebleSysProp on GSI
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 

target/product/aosp_arm64.mk

@@ -14,6 +14,13 @@
 # limitations under the License.
 #
 
+# The system image of aosp_arm64-userdebug is a GSI for the devices with:
+# - ARM 64 bits user space
+# - 64 bits binder interface
+# - system-as-root
+# - VNDK enforcement
+# - compatible property override enabled
+
 # This is a build configuration for a full-featured build of the
 # Open-Source part of the tree. It's geared toward a US-centric
 # build quite specifically for the emulator, and might not be
@@ -38,6 +45,13 @@ $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/board/generic_arm64/device.mk)
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 # Needed by Pi newly launched device to pass VtsTrebleSysProp on GSI
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 

target/product/aosp_arm64_ab.mk

@@ -19,8 +19,20 @@
 # on the generic system image, place them in build/make/target/board/
 # treble_system.prop.
 
+# aosp_arm64_ab-userdebug is a Legacy GSI for the devices with:
+# - ARM 64 bits user space
+# - 64 bits binder interface
+# - system-as-root
+
 include build/make/target/product/treble_common_64.mk
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 PRODUCT_NAME := aosp_arm64_ab
 PRODUCT_DEVICE := generic_arm64_ab
 PRODUCT_BRAND := Android

target/product/aosp_arm_ab.mk

@@ -19,8 +19,20 @@
 # on the generic system image, place them in build/make/target/board/
 # treble_system.prop.
 
+# aosp_arm_ab-userdebug is a Legacy GSI for the devices with:
+# - ARM 32 bits user space
+# - 32 bits binder interface
+# - system-as-root
+
 include build/make/target/product/treble_common_32.mk
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 PRODUCT_NAME := aosp_arm_ab
 PRODUCT_DEVICE := generic_arm_ab
 PRODUCT_BRAND := Android

target/product/aosp_x86.mk

@@ -14,6 +14,13 @@
 # limitations under the License.
 #
 
+# The system image of aosp_x86-userdebug is a GSI for the devices with:
+# - x86 32 bits user space
+# - 64 bits binder interface
+# - system-as-root
+# - VNDK enforcement
+# - compatible property override enabled
+
 -include device/generic/goldfish/x86-vendor.mk
 
 # TODO(b/78308559): includes vr_hwc into GSI before vr_hwc move to vendor
@@ -22,6 +29,13 @@ PRODUCT_PACKAGES += \
 
 include $(SRC_TARGET_DIR)/product/full_x86.mk
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 # Needed by Pi newly launched device to pass VtsTrebleSysProp on GSI
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 

target/product/aosp_x86_64.mk

@@ -14,6 +14,13 @@
 # limitations under the License.
 #
 
+# The system image of aosp_x86_64-userdebug is a GSI for the devices with:
+# - x86 64 bits user space
+# - 64 bits binder interface
+# - system-as-root
+# - VNDK enforcement
+# - compatible property override enabled
+
 # This is a build configuration for a full-featured build of the
 # Open-Source part of the tree. It's geared toward a US-centric
 # build quite specifically for the emulator, and might not be
@@ -38,6 +45,13 @@ $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/board/generic_x86_64/device.mk)
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 # Needed by Pi newly launched device to pass VtsTrebleSysProp on GSI
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 

target/product/aosp_x86_64_ab.mk

@@ -19,8 +19,20 @@
 # on the generic system image, place them in build/make/target/board/
 # treble_system.prop.
 
+# aosp_x86_64_ab-userdebug is a Legacy GSI for the devices with:
+# - x86 64 bits user space
+# - 64 bits binder interface
+# - system-as-root
+
 include build/make/target/product/treble_common_64.mk
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 PRODUCT_NAME := aosp_x86_64_ab
 PRODUCT_DEVICE := generic_x86_64_ab
 PRODUCT_BRAND := Android

target/product/aosp_x86_ab.mk

@@ -19,8 +19,20 @@
 # on the generic system image, place them in build/make/target/board/
 # treble_system.prop.
 
+# aosp_x86_ab-userdebug is a Legacy GSI for the devices with:
+# - x86 32 bits user space
+# - 32 bits binder interface
+# - system-as-root
+
 include build/make/target/product/treble_common_32.mk
 
+# Enable A/B update
+AB_OTA_UPDATER := true
+AB_OTA_PARTITIONS := system
+PRODUCT_PACKAGES += \
+    update_engine \
+    update_verifier
+
 PRODUCT_NAME := aosp_x86_ab
 PRODUCT_DEVICE := generic_x86_ab
 PRODUCT_BRAND := Android