Merge "Send bubble state updates to launcher & respond to launcher" into...

Merge "Send bubble state updates to launcher & respond to launcher" into udc-dev am: 9fa5395f am: 2c8c0955

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22209311



Change-Id: I0586f035d61f7993634f79b0230bf40a3d07e828
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>