android: camera_stream: Pass StreamBuffer to process()

Now that we have a proper structure to model a stream buffer, pass it to
CameraStream::process() instead of the camera3_stream_buffer_t. This
will allow accessing other members of StreamBuffer in subsequent
commits.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>

src/android/camera_device.cpp

@@ -1152,7 +1152,7 @@ void CameraDevice::requestComplete(Request *request)
 			continue;
 		}
 
-		int ret = cameraStream->process(*src, buffer.buffer, descriptor);
+		int ret = cameraStream->process(*src, buffer, descriptor);
 
 		/*
 		 * Return the FrameBuffer to the CameraStream now that we're