Revert "Fix observatory tests broken by running dartfmt."

runtime/bin/file_system_entity_patch.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.
 
-@patch
-class FileStat {
-  @patch
-  static _statSync(String path) native "File_Stat";
+@patch class FileStat {
+  @patch static _statSync(String path) native "File_Stat";
 }
 
-@patch
-class FileSystemEntity {
-  @patch
-  static _getType(String path, bool followLinks) native "File_GetType";
-  @patch
-  static _identical(String path1, String path2) native "File_AreIdentical";
-  @patch
-  static _resolveSymbolicLinks(String path) native "File_ResolveSymbolicLinks";
+
+@patch class FileSystemEntity {
+  @patch static _getType(String path, bool followLinks)
+      native "File_GetType";
+  @patch static _identical(String path1, String path2)
+      native "File_AreIdentical";
+  @patch static _resolveSymbolicLinks(String path)
+      native "File_ResolveSymbolicLinks";
 }