Add a convenient library to export vpp capability

BZ: 128069

Add a convenient library to export video postprocessing capability.
So intended users won't need to touch low level and complex vaapi.

Change-Id: Idff180d657eba6f89e25a1c7ade431a3b3bdcbb6
Signed-off-by: Chang Ying <ying.chang@intel.com>
Reviewed-on: http://android.intel.com:8080/124020
Reviewed-by: Shi, PingX <pingx.shi@intel.com>
Tested-by: Shi, PingX <pingx.shi@intel.com>
Reviewed-by: cactus <cactus@intel.com>
Tested-by: cactus <cactus@intel.com>
5 files changed