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

sdk/lib/_internal/pub_generated/lib/src/command/version.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/version.dart
diff --git a/sdk/lib/_internal/pub/lib/src/command/version.dart b/sdk/lib/_internal/pub_generated/lib/src/command/version.dart
similarity index 56%
copy from sdk/lib/_internal/pub/lib/src/command/version.dart
copy to sdk/lib/_internal/pub_generated/lib/src/command/version.dart
index bab6c6b9bbd69cdefd2d100207e32c11c48423cc..208c2f5657be22c19e4c875a2155c435be49ea50 100644
--- a/sdk/lib/_internal/pub/lib/src/command/version.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/command/version.dart
@@ -1,20 +1,11 @@
-// Copyright (c) 2012, 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 pub.command.version;
-
 import 'dart:async';
-
 import '../command.dart';
 import '../log.dart' as log;
 import '../sdk.dart' as sdk;
-
-/// Handles the `version` pub command.
 class VersionCommand extends PubCommand {
   String get description => "Print pub version.";
   String get usage => "pub version";
-
   Future onRun() {
     log.message("Pub ${sdk.version}");
     return null;