IVGCVSW-1921: move common Acl code to a separate folder

Change-Id: I400be8e7c0cc5a31eb9d2a7396da145d50d51b6e
diff --git a/src/backends/ClWorkloads/ClDepthwiseConvolutionBaseWorkload.cpp b/src/backends/ClWorkloads/ClDepthwiseConvolutionBaseWorkload.cpp
index 0e89a68..68f9cd6 100644
--- a/src/backends/ClWorkloads/ClDepthwiseConvolutionBaseWorkload.cpp
+++ b/src/backends/ClWorkloads/ClDepthwiseConvolutionBaseWorkload.cpp
@@ -7,10 +7,10 @@
 
 #include "TypeUtils.hpp"
 
-#include "backends/ArmComputeUtils.hpp"
-#include "backends/ArmComputeTensorUtils.hpp"
-#include "backends/ClTensorHandle.hpp"
-#include "backends/CpuTensorHandle.hpp"
+#include <backends/aclCommon/ArmComputeUtils.hpp>
+#include <backends/aclCommon/ArmComputeTensorUtils.hpp>
+#include <backends/ClTensorHandle.hpp>
+#include <backends/CpuTensorHandle.hpp>
 
 namespace armnn
 {