IVGCVSW-3355 Add NeonSpaceToDepthWorkload

 * Add Neon backend support for SpaceToDepth
 * Enabled Neon Unit, CreateWorkload and
   EndToEnd tests for SpaceToDepth.
 * Added QSymm16 support to NeonTensorHandle.

Signed-off-by: Ellen Norris-Thompson <ellen.norris-thompson@arm.com>
Change-Id: Ibbb0bce5ad77dace2bf4c4c111006d2fadf844e8
diff --git a/src/backends/neon/NeonWorkloadFactory.cpp b/src/backends/neon/NeonWorkloadFactory.cpp
index 1802459..eadd636 100644
--- a/src/backends/neon/NeonWorkloadFactory.cpp
+++ b/src/backends/neon/NeonWorkloadFactory.cpp
@@ -294,6 +294,12 @@
     return nullptr;
 }
 
+std::unique_ptr<IWorkload> NeonWorkloadFactory::CreateSpaceToDepth(const armnn::SpaceToDepthQueueDescriptor& descriptor,
+                                                                  const armnn::WorkloadInfo& info) const
+{
+    return std::make_unique<NeonSpaceToDepthWorkload>(descriptor, info);
+}
+
 std::unique_ptr<IWorkload> NeonWorkloadFactory::CreateFloor(const FloorQueueDescriptor& descriptor,
     const WorkloadInfo& info) const
 {