Format and sort analyzer and analysis_server packages.

pkg/analyzer/example/scanner_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/scanner.dart';
 
 main(List<String> args) {
 
@@ skipping 13 matching lines @@
 _scan(File file) {
   var src = file.readAsStringSync();
   var reader = new CharSequenceReader(src);
   var scanner = new Scanner(null, reader, null);
   var token = scanner.tokenize();
   while (token.type != TokenType.EOF) {
     print(token);
     token = token.next;
   }
 }