Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/transformer/exclusion/includes_before_excludes_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/exclusion/includes_before_excludes_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/exclusion/includes_before_excludes_test.dart
index 4e5e84e14e5333f8a7bc3904fdf026d24751452a..6df3ca0d30706f90a4f3485dcf655c565772c3b0 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/exclusion/includes_before_excludes_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/exclusion/includes_before_excludes_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", () {
@@ -22,7 +28,9 @@ main() {
                     d.file("a.txt", "a.txt"),
                     d.file("b.txt", "b.txt"),
                     d.file("c.txt", "c.txt")])]).create();
+
       createLockFile('myapp', pkg: ['barback']);
+
       pubServe();
       requestShould404("a.out");
       requestShouldSucceed("b.out", "b.txt.out");