Merge "Avoid double quiet mode requests" into udc-dev am: 8e13abeb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23489320



Change-Id: Id36ddfac67a9d2f4c8caf886e1db283f6aba4fe1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>