Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart b/sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
index affbfc51a08475295e5430b6661fc219083d9b6e..3c4b9fcdc83a795f2f0547426378951d6452204a 100644
--- a/sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
@@ -1,4 +1,9 @@
+// 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 '../../test_pub.dart';
+
 main() {
   initConfig();
   integration(
@@ -8,7 +13,11 @@ main() {
       builder.serve("foo", "1.0.0");
       builder.serve("foo", "2.0.0");
     });
+
+    // Activate 1.0.0.
     schedulePub(args: ["global", "activate", "foo", "1.0.0"]);
+
+    // Activating it again with a different constraint changes the version.
     schedulePub(args: ["global", "activate", "foo", ">1.0.0"], output: """
         Package foo is currently active at version 1.0.0.
         Resolving dependencies...