Add support to set the framebuffer width and height in the copybit
context. This parameter will be set for composition using c2d where
the c2d target is calculated based on the framebuffer width and height.
Change-Id: Ica0f7622bed305c0f56dd0a16b35406c28600fd8
Add the copybit header file in the libcopybit directory. Modify the
copybit source files to read from the correct header file.
Change-Id: I8d2f6758c7d1fbbb6ffc513d899b62b3c0013f5e