IVGCVSW-4209 Create a public API for the ArmNN Utils

 * Moved the relevant armnnUtils headers to the new location:
   include/armnnUtils
 * Update the header usage throughout the source code

!android-nn-driver:2387

Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
Change-Id: I2ba15cebcacafad2b5a1a7b9c3312ffc585e09d6
diff --git a/src/backends/backendsCommon/test/layerTests/BatchNormalizationTestImpl.cpp b/src/backends/backendsCommon/test/layerTests/BatchNormalizationTestImpl.cpp
index 68cda7c..a92ff03 100644
--- a/src/backends/backendsCommon/test/layerTests/BatchNormalizationTestImpl.cpp
+++ b/src/backends/backendsCommon/test/layerTests/BatchNormalizationTestImpl.cpp
@@ -5,12 +5,13 @@
 
 #include "BatchNormalizationTestImpl.hpp"
 
-#include <DataLayoutIndexed.hpp>
 #include <QuantizeHelper.hpp>
 #include <ResolveType.hpp>
 
 #include <armnn/ArmNN.hpp>
 
+#include <armnnUtils/DataLayoutIndexed.hpp>
+
 #include <backendsCommon/CpuTensorHandle.hpp>
 #include <backendsCommon/IBackendInternal.hpp>
 #include <backendsCommon/WorkloadFactory.hpp>