Merge "aconfig: Add script to generate finalized flag proto." into main am:...

Merge "aconfig: Add script to generate finalized flag proto." into main am: 4a5f4354 am: bc116676

Original change: https://android-review.googlesource.com/c/platform/build/+/3460047



Change-Id: Ib3e79a2afded5f63e8300100da655b095c7cec2e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>