Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/deferred_library.dart

 // Copyright (c) 2015, 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.
 
 library deferred_library;
 
 int value = 0;
 
 int decValue(int amount) {
   value -= amount;
   return amount;
 }
 
 void deferredTest() {
-  decValue(decValue(1)); // line 15
+  decValue(decValue(1));  // line 15
 
-  decValue(decValue(1)); // line 17
+  decValue(decValue(1));  // line 17
 }