vpp: implementation improvement

BZ: 128069

impl improvement.

Change-Id: Ibb797f5e51823941f6d6ca3c4bd2f0817df92248
Signed-off-by: Chang Ying <ying.chang@intel.com>
Reviewed-on: http://android.intel.com:8080/124649
Reviewed-by: Shi, PingX <pingx.shi@intel.com>
Tested-by: Shi, PingX <pingx.shi@intel.com>
Reviewed-by: Guo, Nana N <nana.n.guo@intel.com>
Reviewed-by: cactus <cactus@intel.com>
Tested-by: cactus <cactus@intel.com>
4 files changed