Merge "Turn off quiet mode in the background, allowing the dialog to dismiss quicker." into rvc-dev am: 63458fb6 am: c903377b am: 58e98ee6 am: ab457115

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

Change-Id: I81db2f9f1168ae0f7f4890bbc202d9f09019c456