base

Implement handlers for system information query command.

System information query commands are stateless command and
it should be replied immediately when it receives query command.
Here is a list of command handler (and it's reply) implemented
in this change.
1. <Get Menu Language> -> <Set Menu Language>
2. <Give(Get) OSD Name> -> <Set OSD Name>
3. <Give Physical Address> -> <Report Physical Address>
4. <Give Device Vendor ID> -> <Device Vendor Id>
5. <Give CEC Version> -> <CEC Version>

In order to centralize all cec message building, added new
builder class, HdmiCecMessageBuilder for HdmiCecMessage.
Accordingly, all helper methods for building of HdmiCecMessage
are moved to HdmiCecMessageBuilder class.

Change-Id: Ib7c5d2b0cb3d69d51159af8bc277ffb49a60909b