IVGCVSW-1813 - Add MeanLayer
 * add MeanLayer functionalities
 * modify MeanQueueDescriptor to use parameter
 * add IsMeanSupported placeholder for all backends

Change-Id: Ic69a34a61df667849977aad9b38f9a01eef565b5
diff --git a/src/armnn/Network.cpp b/src/armnn/Network.cpp
index dc531d1..22d80d3 100644
--- a/src/armnn/Network.cpp
+++ b/src/armnn/Network.cpp
@@ -594,6 +594,11 @@
     return m_Graph->AddLayer<SubtractionLayer>(name);
 }
 
+IConnectableLayer* Network::AddMeanLayer(const MeanDescriptor& meanDescriptor, const char* name)
+{
+    return m_Graph->AddLayer<MeanLayer>(meanDescriptor,name);
+}
+
 OptimizedNetwork::OptimizedNetwork(std::unique_ptr<Graph> graph)
     : m_Graph(std::move(graph))
 {