Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/transformer/exclusion/exclude_asset_string_test.dart

Index: sdk/lib/_internal/pub_generated/test/transformer/exclusion/exclude_asset_string_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/exclusion/exclude_asset_string_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/exclusion/exclude_asset_string_test.dart
index 9ea2bf6ab381745579765d0d9d07339f10ff318e..a7d92c098ab8227fb5b96d22220ee3be46e3db4a 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/exclusion/exclude_asset_string_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/exclusion/exclude_asset_string_test.dart
@@ -1,7 +1,13 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS d.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.
+
 library pub_tests;
+
 import '../../descriptor.dart' as d;
 import '../../test_pub.dart';
 import '../../serve/utils.dart';
+
 main() {
   initConfig();
   withBarbackVersions("any", () {
@@ -20,8 +26,10 @@ main() {
                 [
                     d.file("foo.txt", "foo"),
                     d.file("bar.txt", "bar"),
-                    d.dir("sub", [d.file("foo.txt", "foo")])])]).create();
+                    d.dir("sub", [d.file("foo.txt", "foo"),])])]).create();
+
       createLockFile('myapp', pkg: ['barback']);
+
       pubServe();
       requestShould404("foo.out");
       requestShouldSucceed("sub/foo.out", "foo.out");