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

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



Change-Id: I1b4a59f107c3c6fb6f8cc5022dc60939ce473c9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>