gralloc: Add support for raw12

When the output of the sensor is raw12 format, errors occur
in gralloc. So raw12 format needs to be supported in gralloc.

Change-Id: If9f7808713bae2fb1efb774e65ae742ca20fb201
CRs-Fixed: 2005966
Signed-off-by: Zhu Bin <cbinz@codeaurora.org>
1 file changed