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: 8ee98052

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



Change-Id: I5028d5a8c0b38f57e318a2929c01770e04251c9b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>