Commit new libMIX changes for video encode enhancement.

BZ: 43450

Commit new libMIX changes for video encode enhancement.

Change-Id: Ia0cf7beb7404a878b44751ff287fa60a1942429e
Signed-off-by: Zhao Liang <leo.zhao@intel.com>
Signed-off-by: hding3 <haitao.ding@intel.com>
Reviewed-on: http://android.intel.com:8080/54087
Reviewed-by: Yuan, Shengquan <shengquan.yuan@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
14 files changed