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

sdk/lib/_internal/pub_generated/test/validator/utils.dart

Index: sdk/lib/_internal/pub_generated/test/validator/utils.dart
diff --git a/sdk/lib/_internal/pub/test/validator/utils.dart b/sdk/lib/_internal/pub_generated/test/validator/utils.dart
similarity index 59%
copy from sdk/lib/_internal/pub/test/validator/utils.dart
copy to sdk/lib/_internal/pub_generated/test/validator/utils.dart
index 64a6b47d956e852302675676e05bcccc5154c703..b1bcbad0671c09b78d4fbd817331b2671e1f6ae5 100644
--- a/sdk/lib/_internal/pub/test/validator/utils.dart
+++ b/sdk/lib/_internal/pub_generated/test/validator/utils.dart
@@ -1,23 +1,16 @@
-// Copyright (c) 2013, 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.
-
 library validator.utils;
-
 import 'package:scheduled_test/scheduled_test.dart';
-
 import '../test_pub.dart';
-
 void expectNoValidationError(ValidatorCreator fn) {
   expect(schedulePackageValidation(fn), completion(pairOf(isEmpty, isEmpty)));
 }
-
 void expectValidationError(ValidatorCreator fn) {
-  expect(schedulePackageValidation(fn),
+  expect(
+      schedulePackageValidation(fn),
       completion(pairOf(isNot(isEmpty), anything)));
 }
-
 void expectValidationWarning(ValidatorCreator fn) {
-  expect(schedulePackageValidation(fn),
+  expect(
+      schedulePackageValidation(fn),
       completion(pairOf(isEmpty, isNot(isEmpty))));
 }