Merge "Add aconfig for biometrics flags" into main am: 9cb671cd46 am: bbbfcfa719

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2760588

Change-Id: I7b6c695b9327d795aec5b2a39e85702fdd9fddc3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>