IVGCVSW-2086: Add StridedSlice layer & corresponding no-op factory implementations

Change-Id: I906dcb8b4c9b491bf3a661f208c09d0ea1c0fa35
diff --git a/src/backends/reference/RefWorkloadFactory.cpp b/src/backends/reference/RefWorkloadFactory.cpp
index afffd65..6d51b3d 100644
--- a/src/backends/reference/RefWorkloadFactory.cpp
+++ b/src/backends/reference/RefWorkloadFactory.cpp
@@ -276,4 +276,10 @@
     return MakeWorkload<RefBatchToSpaceNdFloat32Workload, RefBatchToSpaceNdUint8Workload>(descriptor, info);
 }
 
+std::unique_ptr<IWorkload> RefWorkloadFactory::CreateStridedSlice(const StridedSliceQueueDescriptor& descriptor,
+                                                                  const WorkloadInfo& info) const
+{
+    return MakeWorkload<NullWorkload, NullWorkload>(descriptor, info);
+}
+
 } // namespace armnn