hwc: enforce minimum window width

Windows narrower than the FIMD's DMA burst length (128 bytes) are
rejected by the kernel because they may wedge the FIMD.

Bug: 7257993
Change-Id: I145db16940bd972e4197a0851bfc992ad4ecdf45
Signed-off-by: Greg Hackmann <ghackmann@google.com>
1 file changed