Merge "Play animation upon opening BiometricPrompt" into tm-qpr-dev am: 15d780b7fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20513666

Change-Id: I9eb155907fc5c7baaf51cdf9201e24c4e8ed9048
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>