Merge "Remove a11y noise for bouncer unlock" into udc-dev am: 4ee1f010

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23617628



Change-Id: I769c9c903cb6bb4297821f16c8dba75c54270ceb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>