Merge "Fixing notifications not visible in split shade after rotations" into...

Merge "Fixing notifications not visible in split shade after rotations" into tm-dev am: 48324b7b am: 8fbd866f am: a9963f82

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18230545



Change-Id: I9603a4b046ba7423fe6478e4a9cb362c294e01db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>