Re-land "Format all multitests"

tests/language_strong/proxy_test.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.
 
 // Test for static warnings for member access on classes with @proxy annotation.
 
 class NonProxy {}
 
 @proxy
 class Proxy {}
 
 const alias = proxy;
 
 @alias
 class AliasProxy {}
 
 main() {
   try { new NonProxy().foo; } catch (e) {} //# 01: static type warning
   try { new NonProxy().foo(); } catch (e) {} //# 02: static type warning
 
   try { new Proxy().foo; } catch (e) {} //# 03: ok
   try { new Proxy().foo(); } catch (e) {} //# 04: ok
 
   try { new AliasProxy().foo; } catch (e) {} //# 05: ok
   try { new AliasProxy().foo(); } catch (e) {} //# 06: ok
-}
+}