[CEC Configuration] Add listener support to the HdmiCecConfig

Bug: 174992882
Bug: 172905515
Test: make -j; atest com.android.server.hdmi

This reverts commit fb66634ff22fe12a5edd74b467ca5606826ffeab.

Change-Id: Ie0c24e28335cd682fe76aa2f2f31995e4b62485c
3 files changed