Skip bias is encoder specific. It is better if it is defined in
encoder headers as opposed to me headers
Test: CL refactoring
Change-Id: I19afb9fcb4fb966c890ed41ab3fe0984e552f57f
Added support for CABAC entropy coding.
Added support for B slices.
Fixed an issue in rate control constant QP mode.
Change-Id: Ib759d35e8e943f941aa9b8bbff0362d92c619994