Merge "Add background protection when work biometrics is shown" into tm-dev...

Merge "Add background protection when work biometrics is shown" into tm-dev am: ed00c662 am: 9eeb0112 am: 00090b1d am: bda2f910

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18351382



Change-Id: Ife8e0b2d974efd64163761bbbc67a194b121b313
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>