Migrated to official GoogleTest repo (#6286)

* Move gtest to <root>/wqthirdparty

* Fixed inference engine tests

* Fixed unit-tests

* Fixed GPU

* Fixed clDNN_unit_tests compilation

* Reverted ngraph changes

* Fixed VPU tests

* Fixed deprecated tests compilation

* Removed OpenVINO clone

* Added public submodule

* Removed

* Fixed Windows

* More updates for INSTANTIATE_TEST_SUITE_P

* Use release-1.10.0

* Removed ngraph copy of gtest

* Revert "Removed ngraph copy of gtest"

This reverts commit ec9fe08d79.

* Fixes for TYPED_TEST_CASE

* Fixed GNA tests

* Updated submodule

* Updaed index

* TMP disabled tests

* Revert changes and fix compilation errors

* Fixed caching tests

* Revert back

* Revert back all

Co-authored-by: Michael Nosov <mikhail.nosov@intel.com>

.gitmodules

@@ -6,10 +6,6 @@
 	path = inference-engine/thirdparty/mkl-dnn
 	url = https://github.com/openvinotoolkit/oneDNN.git
 	ignore = dirty
-[submodule "inference-engine/tests/ie_test_utils/common_test_utils/gtest"]
-	path = inference-engine/tests/ie_test_utils/common_test_utils/gtest
-	url = https://github.com/openvinotoolkit/googletest.git
-	ignore = dirty
 [submodule "inference-engine/samples/thirdparty/gflags"]
 	path = inference-engine/samples/thirdparty/gflags
 	url = https://github.com/gflags/gflags.git
@@ -22,3 +18,7 @@
 	path = thirdparty/zlib/zlib
 	url = https://github.com/madler/zlib.git
 	ignore = dirty
+[submodule "thirdparty/gtest"]
+	path = thirdparty/gtest
+	url = https://github.com/openvinotoolkit/googletest.git
+	ignore = dirty