liboverlay: Adjust values to align with MDP requirement

For YUV only:
Crop rectangle (src_rect) needs to be even for x/y and w/h
Destination dst_rect w/h need to be even (x/y can be odd).

Signed-off-by: Saurabh Shah <saurshah@codeaurora.org>

Change-Id: Ib0c1b7d31773e71d60f080b4beacaa68e32a990e
2 files changed