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: I4388748a6aa1fc84a1bde7a1ff7fae6500c30b88
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>