Merge "Allow AuthContainerView to appear over lock screen." into tm-qpr-dev am: 021e48b8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20075303



Change-Id: I17b94b51cc8d7c3c9dd25fd2d64b8b39d1d77605
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>