Tunneled Video Playback support

 Added native_window_set_sideband_stream() method to Surface.[h|cpp]
 Added ConfigureVideoTunnelModeParams OMX configuration structure to
 HardwareAPI.h

Bug: 16132368
Change-Id: I28fa1b9dbe858d93e353e0991098cad45c626bd9
diff --git a/include/gui/Surface.h b/include/gui/Surface.h
index 35ab7f6..f2cf018 100644
--- a/include/gui/Surface.h
+++ b/include/gui/Surface.h
@@ -145,6 +145,7 @@
     int dispatchSetUsage(va_list args);
     int dispatchLock(va_list args);
     int dispatchUnlockAndPost(va_list args);
+    int dispatchSetSidebandStream(va_list args);
 
 protected:
     virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);