mm-video: vdec: Fix compilation error for dynamic buffer mode

struct VideoDecoderOutputMetaData definition is available
only on  K release. This patch will include the struct definition
locally for jb_mr2 if TARGET_ENABLE_DEC_META_DATA_MODE is enabled.

Change-Id: If56acfe080e731aec2d860703aea1726bb6343cf
diff --git a/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp b/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp
index 3794ce9..add623c 100644
--- a/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp
+++ b/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp
@@ -67,6 +67,10 @@
 #include "DivXDrmDecrypt.h"
 #endif //_ANDROID_
 
+#ifdef META_DATA_MODE_SUPPORTED
+#include "QComOMXMetadata.h"
+#endif
+
 #ifdef USE_EGL_IMAGE_GPU
 #include <EGL/egl.h>
 #include <EGL/eglQCOM.h>