IVGCVSW-4906 Add front-end support for FILL operator

 * Added new fill layer
 * Added visitor tests

Signed-off-by: Ryan OShea <Ryan.OShea2@arm.com>
Change-Id: Iea677014866b4f2d514004623f59ee83f3c0eef8
Signed-off-by: Keith Davis <keith.davis@arm.com>
diff --git a/src/armnnSerializer/Serializer.cpp b/src/armnnSerializer/Serializer.cpp
index 9c62a93..ddd38e1 100644
--- a/src/armnnSerializer/Serializer.cpp
+++ b/src/armnnSerializer/Serializer.cpp
@@ -468,6 +468,16 @@
     CreateAnyLayer(fbEqualLayer.o, serializer::Layer::Layer_EqualLayer);
 }
 
+void SerializerVisitor::VisitFillLayer(const armnn::IConnectableLayer* layer,
+                                       const armnn::FillDescriptor& fillDescriptor,
+                                       const char* name)
+{
+    throw UnimplementedException("SerializerVisitor::VisitFillLayer is not implemented");
+    IgnoreUnused(name);
+    IgnoreUnused(layer);
+    IgnoreUnused(fillDescriptor);
+}
+
 void SerializerVisitor::VisitFloorLayer(const armnn::IConnectableLayer *layer, const char *name)
 {
     IgnoreUnused(name);