Merge "8/ Updating bubbles to run on shell thread" into sc-dev am: 9330a9aced am: 82d386f2ed

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13429215

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2a878221e93a3ec3bf6617aece4dba3f03fc5f36