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

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

Index: sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/activate/different_version_test.dart b/sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
similarity index 57%
copy from sdk/lib/_internal/pub/test/global/activate/different_version_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
index 6a406eacaaa51211cf2c62833823b0c2a129436f..affbfc51a08475295e5430b6661fc219083d9b6e 100644
--- a/sdk/lib/_internal/pub/test/global/activate/different_version_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/activate/different_version_test.dart
@@ -1,22 +1,14 @@
-// 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 '../../test_pub.dart';
-
 main() {
   initConfig();
-  integration("discards the previous active version if it doesn't match the "
-      "constraint", () {
+  integration(
+      "discards the previous active version if it doesn't match the " "constraint",
+      () {
     servePackages((builder) {
       builder.serve("foo", "1.0.0");
       builder.serve("foo", "2.0.0");
     });
-
-    // Activate 1.0.0.
     schedulePub(args: ["global", "activate", "foo", "1.0.0"]);
-
-    // Activating it again with a different constraint changes the version.
     schedulePub(args: ["global", "activate", "foo", ">1.0.0"], output: """
         Package foo is currently active at version 1.0.0.
         Resolving dependencies...