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: I77ee9d0f69d76866dc1baef79dad93c37dd3951b