Setup libva correctly in gralloc buffer mode.

BZ: 34659

Gralloc buffer in NV12 format has stride aligned to 512B,
update va parameters accordingly.

Change-Id: Ia88f54af430acb60ebb2bdee6789cbe535619f95
Signed-off-by: Chang Ying <ying.chang@intel.com>
Reviewed-on: http://android.intel.com:8080/66723
Reviewed-by: Yuan, Shengquan <shengquan.yuan@intel.com>
Reviewed-by: Tang, Richard <richard.tang@intel.com>
Reviewed-by: Wang, Elaine <elaine.wang@intel.com>
Reviewed-by: Feng, Wei <wei.feng@intel.com>
Reviewed-by: Jiang, Fei <fei.jiang@intel.com>
Reviewed-by: Shi, PingX <pingx.shi@intel.com>
Tested-by: Shi, PingX <pingx.shi@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
1 file changed