[automerger skipped] Merge "CEC: Add listener for HDMI CEC volume control feature" into rvc-dev am: 75ef06da am: 1ce1702e am: df05db45 am: f5fee3be -s ours

am skip reason: Change-Id I342d748114bae99b3c3f236502d73bfeac9e9ac5 with SHA-1 0e1334ac is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11246196

Change-Id: I5785b681084775ed61695cb89ea899a698538ace