drm_gralloc: Don't modify handle->height for alignment.

In gralloc_drm_align_geometry(), the height will be adjusted to
include the UV planes. For the format HAL_PIXEL_FORMAT_YV12,
the hight of a VGA image (640x360) will be adjusted to 540. We
should not change the origin height in the handle.

Change-Id: I57901d94ae3e4b321b692b64b553923a201d4f3f
1 file changed