Merge "CEC: Change vendor command handling" am: 134f59f851 am: e90b5a3efc am: 53ffd7a1f3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1807376

Change-Id: I35c2ec0be80f6d00028f562227e212341f76f7f2