mm-video-v4l2: Enable input extradata roi qp

Client send delta qp info for ROI QP. This needs to be converted to
hw friendly format. Also, buffer timestamp will be used to match
the ROI info with the right ETB

CRs-Fixed: 2280320
Change-Id: I7db33579a1b6dd66ac03ee4bf1a34c368bd9c8d9
2 files changed