Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/global/activate/unknown_package_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/global/activate/unknown_package_test.dart b/sdk/lib/_internal/pub_generated/test/global/activate/unknown_package_test.dart
index 62d05642873d645f0f6666e50e643036c434d028..d0bc786c942e5753b2fe25d6ea6415c433265a48 100644
--- a/sdk/lib/_internal/pub_generated/test/global/activate/unknown_package_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/activate/unknown_package_test.dart
@@ -1,10 +1,17 @@
+// 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:scheduled_test/scheduled_test.dart';
+
 import '../../../lib/src/exit_codes.dart' as exit_codes;
 import '../../test_pub.dart';
+
 main() {
   initConfig();
   integration('errors if the package could not be found', () {
     serveNoPackages();
+
     schedulePub(
         args: ["global", "activate", "foo"],
         error: startsWith("Could not find package foo at"),