Format analyzer, analysis_server, analyzer_plugin, front_end and kernel with the latest dartfmt.

pkg/analysis_server/test/edit/postfix_completion_test.dart

 // Copyright (c) 2017, 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 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/edit/edit_domain.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:plugin/manager.dart';
 import 'package:test/test.dart';
@@ skipping 21 matching lines @@
   }
 
   test_for() async {
     addTestFile('''
 main() {
   [].for
 }
 ''');
     await waitForTasksFinished();
     await _prepareCompletion('.for', atStart: true);
-    _assertHasChange(
-        'Expand .for',
-        '''
+    _assertHasChange('Expand .for', '''
 main() {
   for (var value in []) {
     /*caret*/
   }
 }
 ''');
   }
 
   void _assertHasChange(String message, String expectedCode, [Function cmp]) {
     if (change.message == message) {
@@ skipping 34 matching lines @@
     if (!isApplicable.value) {
       fail("Postfix completion not applicable at given location");
     }
     request = new EditGetPostfixCompletionParams(testFile, key, offset)
         .toRequest('1');
     response = await waitResponse(request);
     var result = new EditGetPostfixCompletionResult.fromResponse(response);
     change = result.change;
   }
 }