Merge changes Iaaec9a0a,I280d1424,Ic8a65044,I019cb5cf,I245d52a7, ...

* changes:
  CEC: Add event handler to default HdmiCec
  CEC: Add implementation of setCallback method to default HdmiCec
  CEC: Add implementation of addLogicalAddress method to default HdmiCec
  CEC: Add implementation of getCecVersion method to default HdmiCec
  CEC: Add implementation of isConnected method to default HdmiCec
  CEC: Add implementation of getVendorId method to default HdmiCec
  CEC: Add implementation of getPortInfo method to default HdmiCec
  CEC: Add implementation of clearLogicalAddress method to default HdmiCec
  CEC: Add implementation of getPhysicalAddress method to default HdmiCec
  CEC: Add implementation of SendMessage method to default HdmiCec
  CEC: Initialise the HAL based on default implementation