IVGCVSW-3722 Add front end support for ArgMinMax

Change-Id: I31c5616bea3097f30cde68442d3222e0b0fe2235
Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
diff --git a/src/armnnSerializer/Serializer.hpp b/src/armnnSerializer/Serializer.hpp
index 7400885..190ed23 100644
--- a/src/armnnSerializer/Serializer.hpp
+++ b/src/armnnSerializer/Serializer.hpp
@@ -52,6 +52,10 @@
     void VisitAdditionLayer(const armnn::IConnectableLayer* layer,
                             const char* name = nullptr) override;
 
+    void VisitArgMinMaxLayer(const armnn::IConnectableLayer* layer,
+                             const armnn::ArgMinMaxDescriptor& argMinMaxDescriptor,
+                             const char* name = nullptr) override;
+
     void VisitBatchToSpaceNdLayer(const armnn::IConnectableLayer* layer,
                                   const armnn::BatchToSpaceNdDescriptor& descriptor,
                                   const char* name = nullptr) override;