Merge pull request #16772 from aDanPin:dp/performance_render_tests

Added g-api render performance tests

* Add render performance tests for BGROCV

* Add render NV12 performance tests

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* Just a small fix

* Final review response I hope)

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modules/gapi/perf/common/gapi_render_perf_tests.cpp

@@ -0,0 +1,9 @@
+// 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) 2020 Intel Corporation
+
+
+#include "../perf_precomp.hpp"
+#include "gapi_render_perf_tests_inl.hpp"