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: 1fc96fde

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



Change-Id: Ia425c7f86932d1a9bb91d51bc9ea2c9a025a956d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>