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: I9eaafcb4e1ce813e8775cbce0c6eda5137e922fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>