Move non-CV functionality from core.hpp to separate utility.hpp header

modules/video/perf/perf_precomp.hpp

@@ -9,10 +9,10 @@
 #ifndef __OPENCV_VIDEO_PRECOMP_HPP__
 #define __OPENCV_VIDEO_PRECOMP_HPP__
 
+#include "opencv2/ts.hpp"
 #include <opencv2/imgproc.hpp>
 #include <opencv2/video.hpp>
 #include <opencv2/highgui.hpp>
-#include "opencv2/ts.hpp"
 
 #ifdef GTEST_CREATE_SHARED_LIBRARY
 #error no modules except ts should have GTEST_CREATE_SHARED_LIBRARY defined