Merge "Fix rendering issue after cancelling Notifications inside a group" into tm-qpr-dev am: ae41b142e8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20592572

Change-Id: I0efa6ae3818cea4d7a12548f843e22cc450a5596
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>