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

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

Index: sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/activate/constraint_with_path_test.dart b/sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart
similarity index 61%
copy from sdk/lib/_internal/pub/test/global/activate/constraint_with_path_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart
index 2795ca4112608f290aa7235b9f4b05a92de10280..fed36abc9be09971d23fe3e9faa1e01aa5f09ac9 100644
--- a/sdk/lib/_internal/pub/test/global/activate/constraint_with_path_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart
@@ -1,14 +1,10 @@
-// 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('fails if a version is passed with the path source', () {
-    schedulePub(args: ["global", "activate", "-spath", "foo", "1.2.3"],
+    schedulePub(
+        args: ["global", "activate", "-spath", "foo", "1.2.3"],
         error: """
             Unexpected argument "1.2.3".
 
@@ -18,7 +14,6 @@ main() {
                             [git, hosted (default), path]
 
             Run "pub help" to see global options.
-            """,
-        exitCode: exit_codes.USAGE);
+            """, exitCode: exit_codes.USAGE);
   });
 }