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

sdk/lib/_internal/pub_generated/test/barback/fails_if_args_with_all_test.dart

Index: sdk/lib/_internal/pub_generated/test/barback/fails_if_args_with_all_test.dart
diff --git a/sdk/lib/_internal/pub/test/barback/fails_if_args_with_all_test.dart b/sdk/lib/_internal/pub_generated/test/barback/fails_if_args_with_all_test.dart
similarity index 57%
copy from sdk/lib/_internal/pub/test/barback/fails_if_args_with_all_test.dart
copy to sdk/lib/_internal/pub_generated/test/barback/fails_if_args_with_all_test.dart
index 42f79431d630a6b1ac02ab1945d9c6988860acef..9a8681dacb18c619eb2d0c715244d5a3df52615e 100644
--- a/sdk/lib/_internal/pub/test/barback/fails_if_args_with_all_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/barback/fails_if_args_with_all_test.dart
@@ -1,22 +1,15 @@
-// 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 '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
-
 main() {
   initConfig();
-
   setUp(() {
     d.appDir().create();
   });
-
-  pubBuildAndServeShouldFail("if a directory is passed with --all",
+  pubBuildAndServeShouldFail(
+      "if a directory is passed with --all",
       args: ["example", "--all"],
       error: 'Directory names are not allowed if "--all" is passed.',
       exitCode: exit_codes.USAGE);