Merge "Update face unlocked string when a11y is enabled" into tm-qpr-dev am: 081a7f7f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19137264



Change-Id: I145eb697780284f66c4be23381709656740f9f8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>