Reset the max kf dist as 32.

BZ: 183561

Reset the max kf dist as 32. It should be the multiple of 4.
It can fix wrong ref frame issue for Sand Drop.

Change-Id: Ie61a778436eb850d848bcf4ad3a880ac08870cb8
Signed-off-by: bolunliu <bolun.liu@intel.com>
1 file changed