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

sdk/lib/_internal/pub_generated/test/transformer/prefers_transformer_to_library_name_test.dart

Index: sdk/lib/_internal/pub_generated/test/transformer/prefers_transformer_to_library_name_test.dart
diff --git a/sdk/lib/_internal/pub/test/transformer/prefers_transformer_to_library_name_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/prefers_transformer_to_library_name_test.dart
similarity index 66%
copy from sdk/lib/_internal/pub/test/transformer/prefers_transformer_to_library_name_test.dart
copy to sdk/lib/_internal/pub_generated/test/transformer/prefers_transformer_to_library_name_test.dart
index b28506cc23a6e04958d1b554c5c2e7322d2e17e3..6df0c9289ee1f4610276bd5b7e5f04ffe6653eb0 100644
--- a/sdk/lib/_internal/pub/test/transformer/prefers_transformer_to_library_name_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/prefers_transformer_to_library_name_test.dart
@@ -1,13 +1,7 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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 pub_tests;
-
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
-
 const WRONG_TRANSFORMER = """
 import 'dart:async';
 
@@ -26,27 +20,21 @@ class RewriteTransformer extends Transformer {
   }
 }
 """;
-
 main() {
   initConfig();
   withBarbackVersions("any", () {
     integration("prefers transformer.dart to <package name>.dart", () {
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "transformers": ["myapp"]
         }),
-        d.dir("lib", [
-          d.file("transformer.dart", REWRITE_TRANSFORMER),
-          d.file("myapp.dart", WRONG_TRANSFORMER)
-        ]),
-        d.dir("web", [
-          d.file("foo.txt", "foo")
-        ])
-      ]).create();
-
+            d.dir(
+                "lib",
+                [
+                    d.file("transformer.dart", REWRITE_TRANSFORMER),
+                    d.file("myapp.dart", WRONG_TRANSFORMER)]),
+            d.dir("web", [d.file("foo.txt", "foo")])]).create();
       createLockFile('myapp', pkg: ['barback']);
-
       pubServe();
       requestShouldSucceed("foo.out", "foo.out");
       requestShould404("foo.wrong");