Merge "Add flag for refactoring biometric prompt and adding new class 3...

Merge "Add flag for refactoring biometric prompt and adding new class 3 features." into udc-dev am: 65222873

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22519738



Change-Id: I351a8e31bc681ebc16110db677b15e3ce9f2bbf4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>