Added ParseMean method to TfLiteParser

Change-Id: Idfedf82479fb3d4bb2962fc3cfc6c76e57331943
diff --git a/src/armnnTfLiteParser/TfLiteParser.hpp b/src/armnnTfLiteParser/TfLiteParser.hpp
index 42e1814..581e012 100644
--- a/src/armnnTfLiteParser/TfLiteParser.hpp
+++ b/src/armnnTfLiteParser/TfLiteParser.hpp
@@ -103,6 +103,7 @@
     void ParseSqueeze(size_t subgraphIndex, size_t operatorIndex);
     void ParseAdd(size_t subgraphIndex, size_t operatorIndex);
     void ParseMul(size_t subgraphIndex, size_t operatorIndex);
+    void ParseMean(size_t subgraphIndex, size_t operatorIndex);
 
     void ParsePool(size_t subgraphIndex, size_t operatorIndex, armnn::PoolingAlgorithm algorithm);