msm: vidc: Add support for color space information.

When clients specify color space information, venus HW
should embed it in the bit stream. This helps to
regenerate original colors when decoded by decoder.
When decoder detects the color space VUI, Venus fills
the corresponding extradata.

CRs-Fixed: 1026204
Change-Id: Ie9523558c23a8edc7a7ee058937658dd87ef5b16
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>
Signed-off-by: Pradosh Das <prados@codeaurora.org>