IVGCVSW-3353 Add CL support and tests for SpaceToDepth

 * Added CL backend support for SpaceToDepth.
 * Enabled unit tests for SpaceToDepth on CL.
 * Renamed unit tests to make them type-agnostic.
 * Added QSymm16/S16 support to ClTensorHandle.

Signed-off-by: James Conroy <james.conroy@arm.com>
Change-Id: I417d82946142ed619c447428bf0b0c4a2116c004
diff --git a/src/backends/cl/ClWorkloadFactory.cpp b/src/backends/cl/ClWorkloadFactory.cpp
index 307f954..506acb4 100644
--- a/src/backends/cl/ClWorkloadFactory.cpp
+++ b/src/backends/cl/ClWorkloadFactory.cpp
@@ -431,4 +431,10 @@
     return MakeWorkload<ClTransposeConvolution2dWorkload>(descriptor, info, m_MemoryManager->GetIntraLayerManager());
 }
 
+std::unique_ptr<IWorkload> ClWorkloadFactory::CreateSpaceToDepth(const SpaceToDepthQueueDescriptor& descriptor,
+                                                                 const WorkloadInfo& info) const
+{
+    return MakeWorkload<ClSpaceToDepthWorkload>(descriptor, info);
+}
+
 } // namespace armnn