Update sim arm status for flaky io test

standalone/io/stream_pipe_test is flaking

Review URL: https://codereview.chromium.org//16865019

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24018 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index 430d52f..3f8543e 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -290,7 +290,7 @@
 io/socket_upgrade_to_secure_test: Crash # Issue: 11207
 io/status_file_parser_test: Crash # Issue: 11207
 io/stdout_stderr_test: Pass, Crash # Issue: 11207
-io/stream_pipe_test: Crash # Issue: 11207
+io/stream_pipe_test: Pass, Crash # Issue: 11207
 io/test_extension_fail_test: Crash # Issue: 11207
 io/test_extension_test: Crash # Issue: 11207
 io/web_socket_protocol_processor_test: Crash # Issue: 11207