Make more use of generated code in Java analysis server.

pkg/analysis_server/tool/spec/codegen_analysis_server.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * Code generation for the file "AnalysisServer.java".
  */
 library java.generator.server;
 
 import 'api.dart';
 import 'codegen_java.dart';
 import 'codegen_tools.dart';
 
 class CodegenAnalysisServer extends CodegenJavaVisitor {
   CodegenAnalysisServer(Api api) : super(api);
 
   @override
   void visitApi() {
     outputHeader(javaStyle: true);
     writeln('package com.google.dart.server;');
     writeln();
+    writeln('import com.google.dart.server.generated.types.*;');
+    writeln();
     writeln('import java.util.List;');
     writeln('import java.util.Map;');
     writeln();
     writeln(
         '''/**
  * The interface {@code AnalysisServer} defines the behavior of objects that interface to an
  * analysis server.
  * 
  * @coverage dart.server
  */'''
@@ skipping 84 matching lines @@
 final GeneratedFile target = javaGeneratedFile(
     '../../../../editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/AnalysisServer.java',
     (Api api) => new CodegenAnalysisServer(api));
 
 /**
  * Translate spec_input.html into AnalysisServer.java.
  */
 main() {
   target.generate();
 }