Format all tests.

tests/language/deferred_load_constants.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.
 // Dart version of two-argument Ackermann-Peter function.
 
 library deferred_load_constants;
 
 // Constant declaration.
 const c = const C();
+
 // Class declaration (`C` is a constant expression).
 class C {
   const C();
   static int staticfun(int x) => x;
 }
+
 // Function type definition.
 typedef int funtype(int x);
 // Top-level function.
 int toplevel(int x) => x;