msm: vidc: copy the crop info during dequeue buf

User-space expects the crop data to be notified from the
driver as it was done in kernel 3.16 as part-of
reserved field of v4l2planes.
On 4.9 kernel, as the v4l2planes are removed this
change is required for indicating the crop info
to user client.
 
Change-Id: Ib51ba533977968f682fc428ab0ca0d9e20cd6ed6
Signed-off-by: Paras Nagda <pnagda@codeaurora.org>