IVGCVSW-6453 'Move the ArmNN Test Utils code to a physically separate directory'

* Created include/armnnTestUtils directory
* Moved Arm NN test utils files into armnnTestUtils directory

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I03ac54c645c41c52650c4c03b6a58fb1481fef5d
diff --git a/src/backends/backendsCommon/test/layerTests/ArgMinMaxTestImpl.cpp b/src/backends/backendsCommon/test/layerTests/ArgMinMaxTestImpl.cpp
index 34b2539..4f82b59 100644
--- a/src/backends/backendsCommon/test/layerTests/ArgMinMaxTestImpl.cpp
+++ b/src/backends/backendsCommon/test/layerTests/ArgMinMaxTestImpl.cpp
@@ -6,11 +6,11 @@
 #include "ArgMinMaxTestImpl.hpp"
 
 
-#include <backendsCommon/test/DataTypeUtils.hpp>
-#include <backendsCommon/test/TensorCopyUtils.hpp>
-#include <backendsCommon/test/WorkloadTestUtils.hpp>
+#include <DataTypeUtils.hpp>
+#include <armnnTestUtils/TensorCopyUtils.hpp>
+#include <WorkloadTestUtils.hpp>
 
-#include <test/TensorHelpers.hpp>
+#include <TensorHelpers.hpp>
 
 namespace
 {