Merge "Remove bubbles if their shortcuts are removed or if the app is...

Merge "Remove bubbles if their shortcuts are removed or if the app is uninstalled." into rvc-dev am: 803d1971

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11934273

Change-Id: Ifd930b9747dc9e9b29a58b13cec1ac2d9a66f95c