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

Merge "Avoid double quiet mode requests" into udc-dev am: 8e13abeb am: 4aef4043 am: fa0a6b46 am: fe800cc8

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



Change-Id: I33a2b2e37ec2ada97fea1e58fc9771e7565df4b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>