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 am: d0370df4

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

Change-Id: I03adbb5adbadea2e277f8df3c83550c1b3faac97