[add] make checkstyle happy again.

Author: zolyfarkas

Diff for: checkstyle_checks.xml

@@ -206,5 +206,9 @@
         <module name="SuppressWarningsHolder" />
     </module>
     <module name="SuppressWarningsFilter" />
+    <module name="SuppressWithPlainTextCommentFilter">
+        <property name = "offCommentFormat" value = "//CHECKSTYLE:OFF"/>
+        <property name = "onCommentFormat" value = "//CHECKSTYLE:ON"/>        
+    </module>
 
 </module>