Merge "remove system_ext aconfig_flags.pb look up" into main am: ebf26184 am: bfeed981

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3398702



Change-Id: I4f958a3a23e5b4b92e1c8b23e9f2c10183885191
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>