Merge "Ringer mode button state a11y" into udc-qpr-dev am: f956fd0980

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

Change-Id: I8fe0b76cbfb58e4aeaff21ef316838566b85396a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>