Merge "Add device_aconfig_declarations target" into main am: 21353479

Original change: https://android-review.googlesource.com/c/platform/build/+/2937719



Change-Id: Ie9e6f2a3b50150fc9d0341803121a5d23b7fd949
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>