This change modifies aosp_$arch product makefiles so their
system images can be closer to their respective GSIs.
The added contents in this CL are based on treble_common*.mk.
Contents specific to GSI are in aosp_$arch.mk.
Contents common to all devices are moved to full_base.mk.
Contents related to specific device are moved to device.mk.
BoardConfig related makefiles will be changed in another CL.
Bug: 70772101
Test: The following products can boot to home screen:
$ lunch aosp_x86-userdebug; m -j; emulator
$ lunch aosp_x86_64-userdebug; m -j; emulator
$ lunch aosp_arm-userdebug; m -j; emulator
$ lunch aosp_arm64-userdebug; m -j; emulator
Change-Id: I225a13dd74b3e748cc5d1705e1a453348b01d43f
Merged-In: I225a13dd74b3e748cc5d1705e1a453348b01d43f
(cherry picked from commit 164eed2e7d
)
The "generic_x86" product defines a non-hardware-specific IA target without a kernel or bootloader. It can be used to build the entire user-level system, and will work with the IA version of the emulator, It is not a product "base class"; no other products inherit from it or use it in any way.