Store the async-await compiled pub code directly in the repo.

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

Index: sdk/lib/_internal/pub_generated/test/global/deactivate/unknown_package_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/deactivate/unknown_package_test.dart b/sdk/lib/_internal/pub_generated/test/global/deactivate/unknown_package_test.dart
similarity index 50%
copy from sdk/lib/_internal/pub/test/global/deactivate/unknown_package_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/deactivate/unknown_package_test.dart
index 288643006731f46c9c85e2deb7a4cb53767b5289..33b438637cc53e0f123ff25b23b699f0040ccbee 100644
--- a/sdk/lib/_internal/pub/test/global/deactivate/unknown_package_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/deactivate/unknown_package_test.dart
@@ -1,16 +1,11 @@
-// 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 package is not activated', () {
     serveNoPackages();
-
-    schedulePub(args: ["global", "deactivate", "foo"],
+    schedulePub(
+        args: ["global", "deactivate", "foo"],
         error: "No active package foo.",
         exitCode: exit_codes.DATA);
   });