Re-land "Format all multitests"

tests/language/const_syntax_test.dart

 // Copyright (c) 2012, 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:expect/expect.dart";
 
 main() {
   const f0 = 42;
   const f1; //# 01: compile-time error
   const int f2 = 87;
@@ skipping 68 matching lines @@
 
 // Check that sub-expressions of binary + are numeric.
 const B0 = 42;
 const B1 = "Hello";
 const B2 = "$B1 $B0";
 const B3 = B0 + B1; //# 10: continued
 
 // Check identical.
 
 const B4 = identical(1, new Point(1,2)); // //# 12: compile-time error
-const B5 = identical(1, const Point(1,2));
+const B5 = identical(1, const Point(1, 2));