Initial commit of Java backend to hidl-gen.

Change-Id: I38b62637df74d3e5daf702a8996502d0d5726033
diff --git a/Method.h b/Method.h
index 86c8f50..e449542 100644
--- a/Method.h
+++ b/Method.h
@@ -26,6 +26,7 @@
     const KeyedVector<std::string, Annotation *> &annotations() const;
 
     static std::string GetSignature(const std::vector<TypedVar *> &args);
+    static std::string GetJavaSignature(const std::vector<TypedVar *> &args);
 
     void dumpAnnotations(Formatter &out) const;