CEC: Process new options for CEC/MHL HAL

1) Inform MHL HAL of OPTION_MHL_SERVICE_CONTROL at system
ready/standby event.

2) Call OPTION_CEC_SET_LANGUAGE with current system language info
for HAL to be able to respond to <Get Menu Language> while in standby
mode.

Bug: 19054079
Change-Id: I92c9f392a94f70e11157d20a33163ef2d8bc832f