IVGCVSW-5815 Generalise ConstCpuTensorHandle

* Generalises ConstCpuTensorHandle and inherited
  classes by removing 'Cpu' from aliases.
* New renamed classes: ConstTensorHandle, TensorHandle,
  ScopedTensorHandle, PassthroughTensorHandle,
  ConstPassthroughTensorHandle.

Signed-off-by: James Conroy <james.conroy@arm.com>
Change-Id: I1824e0e134202735fb77051f20a7252f161dfe16
diff --git a/src/backends/reference/RefWorkloadFactory.cpp b/src/backends/reference/RefWorkloadFactory.cpp
index c1e3d58..8e3bbe4 100644
--- a/src/backends/reference/RefWorkloadFactory.cpp
+++ b/src/backends/reference/RefWorkloadFactory.cpp
@@ -3,10 +3,10 @@
 // SPDX-License-Identifier: MIT
 //
 #include <Layer.hpp>
-#include <backendsCommon/CpuTensorHandle.hpp>
 #include <backendsCommon/MemCopyWorkload.hpp>
 #include <backendsCommon/MemImportWorkload.hpp>
 #include <backendsCommon/MakeWorkloadHelper.hpp>
+#include <backendsCommon/TensorHandle.hpp>
 #include <reference/workloads/RefFillWorkload.hpp>
 #include "RefWorkloadFactory.hpp"
 #include "RefBackendId.hpp"