Merge "Remove bubbles if their shortcuts are removed or if the app is uninstalled." into rvc-dev am: 803d1971 am: 2624f61f

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

Change-Id: I0bcfcb7c1d88c8eee1584f3ccfec1b5b721f8911