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

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



Change-Id: I8af52b34530dc0378432911da31d6a7b5763e7fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>