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

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



Change-Id: I3ff28d26870d049ab2f3ef70e91661f3870222e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>