Move spaces from before comments to within comments

tests/language/deferred_constraints_constants_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.
 
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'dart:mirrors';
 
 import "deferred_constraints_constants_lib.dart" deferred as lib;
 
 const myConst1 =
   lib.constantInstance; /// reference1: compile-time error
-  /*                    /// reference1: continued
+  /* //                   /// reference1: continued
   499;
-  */                    /// reference1: continued
+  */ //                   /// reference1: continued
 const myConst2 =
   lib.Const.instance; /// reference2: compile-time error
-  /*                  /// reference2: continued
+  /* //                 /// reference2: continued
   499;
-  */                  /// reference2: continued
+  */ //                 /// reference2: continued
 
 void f1({a:
   const lib.Const() /// default_argument1: compile-time error
-  /*                   /// default_argument1: continued
+  /* //                  /// default_argument1: continued
   499
-  */                   /// default_argument1: continued
+  */ //                  /// default_argument1: continued
 }) {}
 
 void f2({a:
   lib.constantInstance /// default_argument2: compile-time error
-  /*                         /// default_argument2: continued
+  /* //                        /// default_argument2: continued
   499
-  */                         /// default_argument2: continued
+  */ //                        /// default_argument2: continued
 }) {}
 
 @lib.Const() /// metadata1: compile-time error
 class H1 {}
 @lib.Const.instance /// metadata2: compile-time error
 class H2 {}
 @lib.Const.namedConstructor() /// metadata3: compile-time error
 class H3 {}
 
 void main() {
@@ skipping 14 matching lines @@
 
     // Need to access the metadata to trigger the expected compilation error.
     reflectClass(H1).metadata;  // metadata1: continued
     reflectClass(H2).metadata;  // metadata2: continued
     reflectClass(H3).metadata;  // metadata3: continued
 
     asyncEnd();
   });
 }