Allow Platform.executable for JIT app snapshots.

tests/standalone/io/file_lock_test.dart

 // Copyright (c) 2015, 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.
 
+// OtherResources=file_lock_script.dart
+
 import 'dart:async';
 import 'dart:io';
 
 import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
 import "package:path/path.dart";
 
 // Check whether the file is locked or not.
 check(String path, int start, int end, FileLock mode, {bool locked}) {
   // Client process returns either 'LOCK FAILED' or 'LOCK SUCCEEDED'.
@@ skipping 301 matching lines @@
   testLockWholeFileAsync();
   testLockRange();
   testLockRangeAsync();
   testLockEnd();
   testLockEndAsync();
   testLockShared();
   testLockSharedAsync();
   testLockAfterLength();
   testLockAfterLengthAsync();
 }