am 40c4c3eb: am 86f939e8: Merge "Include code when converting unknown causes to string" into lmp-dev

* commit '40c4c3eb7a30d875432515fa5e642e041832e5f1':
  Include code when converting unknown causes to string

telephony/java/android/telephony/DisconnectCause.java

@@ -263,7 +263,7 @@ public class DisconnectCause {
         case OUTGOING_CANCELED:
             return "OUTGOING_CANCELED";
         default:
-            return "INVALID";
+            return "INVALID: " + cause;
         }
     }
 }