Re-land "Format all multitests"

tests/language/override_inheritance_generic_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<T> {
   method1(T t) => null; //# 01: ok
   method2(T t) => null; //# 02: ok
   method4(T t) => null; //# 04: static type warning
   method5(T t) => null; //# 05: ok
   method7(T t) => null; //# 07: static type warning
@@ skipping 25 matching lines @@
   method8(V v) => null; //# 08: continued
   method9(V v) => null; //# 09: continued
   method10(V v) => null; //# 10: continued
 }
 
 abstract class Class<W> extends B
 <double> //# 03: continued
 <W> //# 05: continued
 <W> //# 06: continued
 <int> //# 07: continued
-implements I
+    implements
+        I
 <int> //# 03: continued
 <num> //# 06: continued
 <String> //# 07: continued
 <int> //# 08: continued
 <int> //# 09: continued
 <int> //# 10: continued
-, J
+        ,
+        J
 <String> //# 08: continued
 <num> //# 09: continued
 <num> //# 10: continued
 {
   method3(num i) => null; //# 03: continued
   method5(W w) => null; //# 05: continued
   method6(int i) => null; //# 06: continued
   method7(double d) => null; //# 07: continued
   method8(double d) => null; //# 08: continued
 }
 
 class SubClass extends Class {
   method9(double d) => null; //# 09: continued
   method10(String s) => null; //# 10: continued
 }
 
 main() {
   new SubClass();
 }