Merge changes from topic "notif-backport" into qt-dev am: a0f134bd11 am: e9ffefbf4d am: 2ebc9c19e3 am: 756ec63839 am: 67726a992a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13453266

Change-Id: I78aef3fb0809655dd8d8b3a03373784ede67f066