Merge "Add Mute custom quick affordance" into tm-qpr-dev am: d886dac36c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21086488

Change-Id: Ic69d3315a25000217cf4facfb5b3a1ba98265306
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>