Merge "CEC : Add validators for timer status message" am: 45b2b2b22a am: 699b381205 am: 5f737d06fc am: eb98e5b681

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1483957

Change-Id: Icf0ed4e45616224a9040c1cb7bbeb56516214f62