Merge "Ringer mode button state a11y" into udc-qpr-dev am: f956fd09 am: c8e2257e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24079612



Change-Id: I0cee2b3dcb7171bb10882bf55b4f5a8a4450236c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>