IVGCVSW-1900 : CL backend folder structure

* moving backends/ClWorkloads to backends/cl
* and moving pure Cl workload related code to
  backends/cl/workloads

Change-Id: I019a3c6b4da5e7a23074bf03fb057e63199ad129
diff --git a/src/backends/test/LayerReleaseConstantDataTest.cpp b/src/backends/test/LayerReleaseConstantDataTest.cpp
index 7566c72..7549dfd 100644
--- a/src/backends/test/LayerReleaseConstantDataTest.cpp
+++ b/src/backends/test/LayerReleaseConstantDataTest.cpp
@@ -6,13 +6,13 @@
 #include <boost/test/unit_test.hpp>
 #include <boost/cast.hpp>
 
-#include "backends/WorkloadData.hpp"
-#include "Graph.hpp"
+#include <backends/WorkloadData.hpp>
+#include <Graph.hpp>
 
 #include <utility>
 
-#include "backends/CpuTensorHandle.hpp"
-#include "backends/ClWorkloadFactory.hpp"
+#include <backends/CpuTensorHandle.hpp>
+#include <backends/cl/ClWorkloadFactory.hpp>
 
 using namespace armnn;
 using namespace std;