Added comment for suppression

Author: Krish -

suppressions.xml

@@ -34,6 +34,7 @@
             files="com/sforce/async/BulkConnection\.java"
             lines="92"/>
 
+  <!-- copied from apache hadoop, won't fix style to keep diff minimal -->
   <suppress checks="LineLength"
             files="com/sforce/async/BulkConnection\.java"
             lines="127,441,444,506,790,898"/>