Merge "HDMICEC: Add TV broadcast standby test" am: b1015fb253 am: dc52b25f4c am: 8253207b24

Original change: https://android-review.googlesource.com/c/platform/cts/+/1533029

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6f88673d7bf6ac5c350589de8d2a69c2204cbae4