Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/global/activate/empty_constraint_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/global/activate/empty_constraint_test.dart b/sdk/lib/_internal/pub_generated/test/global/activate/empty_constraint_test.dart
index 3101c4ed113c416748a2ac9117d8629718e84f38..38302fb41acd680580afce986e678d27aba5a9c1 100644
--- a/sdk/lib/_internal/pub_generated/test/global/activate/empty_constraint_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/activate/empty_constraint_test.dart
@@ -1,5 +1,10 @@
+// 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 '../../../lib/src/exit_codes.dart' as exit_codes;
 import '../../test_pub.dart';
+
 main() {
   initConfig();
   integration('errors if the constraint matches no versions', () {
@@ -7,6 +12,7 @@ main() {
       builder.serve("foo", "1.0.0");
       builder.serve("foo", "1.0.1");
     });
+
     schedulePub(args: ["global", "activate", "foo", ">1.1.0"], error: """
             Package foo has no versions that match >1.1.0 derived from:
             - pub global activate depends on version >1.1.0""",