Add addStatusListener to the AnalysisServer generator.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/AnalysisServer.java

 /*
  * Copyright (c) 2014, the Dart project authors.
  *
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 18 matching lines @@
  */
 public interface AnalysisServer {
 
   /**
    * Add the given listener to the list of listeners that will receive notification when new
    * analysis results become available.
    *
    * @param listener the listener to be added
    */
   public void addAnalysisServerListener(AnalysisServerListener listener);
-  
+
   /**
    * Add the given listener to the list of listeners that will receive notification when the server
    * is not active
    *
    * @param listener the listener to be added
    */
   public void addStatusListener(AnalysisServerStatusListener listener);
 
   /**
    * {@code analysis.getErrors}
@@ skipping 423 matching lines @@
    * the response to this request has been sent.
    */
   public void server_shutdown();
 
   /**
    * Start the analysis server.
    */
   public void start() throws Exception;
 
 }