Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/downgrade/doesnt_change_git_dependencies_test.dart

Index: sdk/lib/_internal/pub_generated/test/downgrade/doesnt_change_git_dependencies_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/downgrade/doesnt_change_git_dependencies_test.dart b/sdk/lib/_internal/pub_generated/test/downgrade/doesnt_change_git_dependencies_test.dart
index 89f2e1843357379949d8a4703c5f298ebe4d1e30..9d7b9833c0eadeaa8832ec6686ab70636d3c8270 100644
--- a/sdk/lib/_internal/pub_generated/test/downgrade/doesnt_change_git_dependencies_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/downgrade/doesnt_change_git_dependencies_test.dart
@@ -1,23 +1,35 @@
+// 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 '../descriptor.dart' as d;
 import '../test_pub.dart';
+
 main() {
   initConfig();
   integration("doesn't change git dependencies", () {
     ensureGit();
+
     d.git('foo.git', [d.libDir('foo'), d.libPubspec('foo', '1.0.0')]).create();
+
     d.appDir({
       "foo": {
         "git": "../foo.git"
       }
     }).create();
+
     pubGet();
+
     d.dir(
         packagesPath,
         [d.dir('foo', [d.file('foo.dart', 'main() => "foo";')])]).validate();
+
     d.git(
         'foo.git',
         [d.libDir('foo', 'foo 2'), d.libPubspec('foo', '1.0.0')]).commit();
+
     pubDowngrade();
+
     d.dir(
         packagesPath,
         [d.dir('foo', [d.file('foo.dart', 'main() => "foo";')])]).validate();