Merge "Ensure looper finishes each task before sending another for...

Merge "Ensure looper finishes each task before sending another for PhonePolicyTest#testDisconnectNoAutoConnect. This prevents a race condition causing the test to be flaky." into sc-dev am: 76c45b08 am: d296630a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Bluetooth/+/15695599

Change-Id: I96e55f7b84c237c26647bd48d9d9cfdb0f9f06de