Re-land "Format all multitests"

tests/language_strong/check_member_static_test.dart

 // Copyright (c) 2014, 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.
 
 class A {
   static var a;
   var b;
 }
 
-class B extends A {
-
-}
+class B extends A {}
 
 class C extends B {
   var a; //# 01: static type warning
   static var b; //# 02: compile-time error
 }
 
 void main() {
   new C();
-}
+}