Merge "Fix face unlock does not work for top app in split screen" into tm-dev am: 16ebd44e am: b32cf8c8 am: af4095c1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18157285



Change-Id: I01a81afc90c2a2bfc403fe8530d5480124241914
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>