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/backendsCommon/WorkloadData.cpp b/src/backends/backendsCommon/WorkloadData.cpp
index 3766f5f..324c1de 100644
--- a/src/backends/backendsCommon/WorkloadData.cpp
+++ b/src/backends/backendsCommon/WorkloadData.cpp
@@ -1206,7 +1206,8 @@
     {
         DataType::Float32,
         DataType::Float16,
-        DataType::QuantisedAsymm8
+        DataType::QuantisedAsymm8,
+        DataType::QuantisedSymm16
     };
 
     ValidateDataTypes(workloadInfo.m_InputTensorInfos[0],