IVGCVSW-2914 Add Switch Layer and no-op factory method

Change-Id: I6a6ece708a49e8a97c83a3e7fec11c88af1e1cfa
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
diff --git a/src/backends/backendsCommon/WorkloadFactory.hpp b/src/backends/backendsCommon/WorkloadFactory.hpp
index 889bc9d..5c07b3a 100644
--- a/src/backends/backendsCommon/WorkloadFactory.hpp
+++ b/src/backends/backendsCommon/WorkloadFactory.hpp
@@ -177,6 +177,9 @@
 
     virtual std::unique_ptr<IWorkload> CreateStridedSlice(const StridedSliceQueueDescriptor& descriptor,
                                                           const WorkloadInfo& Info) const;
+
+    virtual std::unique_ptr<IWorkload> CreateSwitch(const SwitchQueueDescriptor& descriptor,
+                                                    const WorkloadInfo& Info) const;
 };
 
 } //namespace armnn