Include opencv2/videoio.hpp

In my configuration with bazel, when building the Java bindings,
it is not like building C++ and including videio/videoio.hpp
triggers:
error this is a compatibility header which should not be used inside the OpenCV library

modules/videoio/misc/java/src/cpp/videoio_converters.hpp

@@ -4,7 +4,7 @@
 #include <jni.h>
 #include "opencv_java.hpp"
 #include "opencv2/core.hpp"
-#include "opencv2/videoio/videoio.hpp"
+#include "opencv2/videoio.hpp"
 
 class JavaStreamReader : public cv::IStreamReader
 {