Merge "Do not generate aconfig_flags.textproto" into main am: e829066b am: 1517c991

Original change: https://android-review.googlesource.com/c/platform/build/+/2765587



Change-Id: I21d30c456493b22050a3a5f06da185e27f76b0e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>