Merge "Revert^2 "Do not generate aconfig_flags.textproto"" into main am: ad2c02c9

Original change: https://android-review.googlesource.com/c/platform/build/+/2812935



Change-Id: I4a297d8e196734f85407adcc41b10596ca6c0dbb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>