add part of opencv

Lib/opencv/sources/modules/gapi/perf/perf_main.cpp

@@ -0,0 +1,11 @@
+// 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.
+//
+// Copyright (C) 2018 Intel Corporation
+
+
+#include "perf_precomp.hpp"
+//#include "../test/test_precomp.hpp"
+
+CV_PERF_TEST_MAIN(gapi)