Refine multiple frame decoder support code

BZ: 26883

Add PACKED_FRAME_TYPE for VideoExtensionBuffer type.
Move next frame info to PackedFrameData(from Andy)

Change-Id: I0964f122bb0eecc5f56355cdb47bd7561cc19251
Signed-off-by: xiao <fengx.xiao@intel.com>
Reviewed-on: http://android.intel.com:8080/37901
Reviewed-by: Qiu, Junhai <junhai.qiu@intel.com>
Reviewed-by: Ding, Haitao <haitao.ding@intel.com>
Tested-by: Ding, Haitao <haitao.ding@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
3 files changed