Merge "CEC : Use system property to get the audio device name" am: c3808b00b6 am: ce6a7ddc0f am: 02b884c96e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1404647

Change-Id: Ie1901ab10322c3e767ae5e28bda3f0accc6ed3d9