Merge "Add a new cmd to wait for a specific broadcast to be dispatched." into...

Merge "Add a new cmd to wait for a specific broadcast to be dispatched." into udc-dev am: 4bd98b45 am: bab8b391

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22957180



Change-Id: I2111c1757acb87e5152c16bd6b498374c0f7a0e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>