Revert "msm: vidc: Correct calculation of yuv buffer size"

This change is giving side effect if frame height is non
multiple of 16 for video encoder.

This reverts commit 3a2945ef2385ae934ab4df98f26651d132b7b4fc.

Change-Id: I522b8777b233faf8da736d6c62456fbc96262b0a
Signed-off-by: Deepak Verma <dverma@codeaurora.org>
Merge "Revert "msm: vidc: Correct calculation of yuv buffer size""