ART: Refactor for bugprone-argument-comment

Handles runtime.

Bug: 116054210
Test: WITH_TIDY=1 mmma art
Change-Id: Ibc0d5086809d647f0ce4df5452eb84442d27ecf0
diff --git a/runtime/native/java_lang_Class.cc b/runtime/native/java_lang_Class.cc
index f5039d1..6d94fa1 100644
--- a/runtime/native/java_lang_Class.cc
+++ b/runtime/native/java_lang_Class.cc
@@ -647,7 +647,7 @@
     ObjPtr<mirror::ObjectArray<mirror::Object>> empty_array =
         mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(),
                                                    annotation_array_class,
-                                                   /* length */ 0);
+                                                   /* length= */ 0);
     return soa.AddLocalReference<jobjectArray>(empty_array);
   }
   return soa.AddLocalReference<jobjectArray>(annotations::GetAnnotationsForClass(klass));