Merge "aconfig: add flag table offset query function" into main am: 9a76f645 am: 7455bfa7

Original change: https://android-review.googlesource.com/c/platform/build/+/2932350



Change-Id: Ie8e233c156dc6c9009d1eb075ead162bbc88ebf3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>