[Java hidl-gen] Fix multi-dimensional arrays (used within structures, not

as method arguments).

Bug: 31438033
Change-Id: I8e29ae8eca2a9ef8a320e37ca0bb79dcfa8a9b9a
diff --git a/PredefinedType.h b/PredefinedType.h
index 84c9441..8fdd67f 100644
--- a/PredefinedType.h
+++ b/PredefinedType.h
@@ -26,10 +26,11 @@
     PredefinedType(const char *name);
 
     void addNamedTypesToSet(std::set<const FQName> &set) const override;
-    std::string getCppType(StorageMode mode,
-                           std::string *extra,
-                           bool specifyNamespaces) const override;
-    std::string getJavaType() const override;
+
+    std::string getCppType(
+            StorageMode mode,
+            std::string *extra,
+            bool specifyNamespaces) const override;
 
     void emitReaderWriter(
             Formatter &out,