Add copybit header and update framebuffer header
STE specific changes in HWComposer
STE Audio Fix [3/4]

Credits:
- @Paul-L for implementation
- @percy-g2 for porting to Xperia 2012 devices
audio: Support MR1 audio_policy

Change-Id: If9543260bc8fb2d411a119dc62720d632eceec6c