Format and sort analyzer and analysis_server packages.

pkg/analyzer/example/parser_driver.dart

 #!/usr/bin/env dart
-
 // Copyright (c) 2013, 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.
 
 import 'dart:io';
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/parser.dart';
 import 'package:analyzer/src/generated/scanner.dart';
@@ skipping 24 matching lines @@
   var unit = parser.parseCompilationUnit(token);
 
   var visitor = new _ASTVisitor();
   unit.accept(visitor);
 
   for (var error in errorListener.errors) {
     print(error);
   }
 }
 
-class _ErrorCollector extends AnalysisErrorListener {
-  List<AnalysisError> errors;
-  _ErrorCollector() : errors = new List<AnalysisError>();
-  onError(error) => errors.add(error);
-}
-
 class _ASTVisitor extends GeneralizingAstVisitor {
   visitNode(AstNode node) {
     print('${node.runtimeType} : <"$node">');
     return super.visitNode(node);
   }
 }
 
+class _ErrorCollector extends AnalysisErrorListener {
+  List<AnalysisError> errors;
+  _ErrorCollector() : errors = new List<AnalysisError>();
+  onError(error) => errors.add(error);
+}