Merge "Turn off quiet mode in the background, allowing the dialog to dismiss...

Merge "Turn off quiet mode in the background, allowing the dialog to dismiss quicker." into rvc-dev am: 63458fb6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11931083

Change-Id: I5ecb24c31502b8e191df51a5a3d77ea5c7a50b2b