msm_vidc: Update frame-height along with buffer-size after reconfig

For the streams with height lesser than minimum required height(96),
decoder initiates a reconfig to indicate client about new size.
For clients that calculate output buffer-size based on frame
dimensions, resulting buffer sizes could be small and eventually
rejected

b/ 18528130

Change-Id: I17cf166a40f77fcea74e7d0c19af801e6e6244d5
Signed-off-by: Praveen Chavan <pchavan@codeaurora.org>
Signed-off-by: c_sridur <sridur@codeaurora.org>