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

Merge "Avoid double quiet mode requests" into udc-dev am: 8e13abeb am: 4c5394af am: 81e7bac0 am: ca5faa59

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



Change-Id: Ic2a59515cdc3534472b95f7ad0d5bf21b28b4cd7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>