cmake: Java/Android SDK refactoring

modules/java/generator/src/cpp/opencv_java.cpp

@@ -0,0 +1,8 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html
+
+#include "common.h"
+
+// Include all generated JNI code
+#include "opencv_jni.hpp"