[autotest] add 'subsystem:all' to the config file of autotest repo

Add 'subsystem:all' to the config file of autotest repo to skip the
subsystem-specific hardware test logic when CQ test changes from autotest.

BUG=None
TEST=None

Change-Id: I71fa2977dcde41d3b0218960024199113d1a06e0
Reviewed-on: https://chromium-review.googlesource.com/302234
Commit-Ready: Shuqian Zhao <shuqianz@chromium.org>
Tested-by: Shuqian Zhao <shuqianz@chromium.org>
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
diff --git a/COMMIT-QUEUE.ini b/COMMIT-QUEUE.ini
new file mode 100644
index 0000000..46ab979
--- /dev/null
+++ b/COMMIT-QUEUE.ini
@@ -0,0 +1,10 @@
+# Copyright 2015 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Per-project Commit Queue settings.
+# Documentation: http://goo.gl/5J7oND
+
+[GENERAL]
+
+subsystem:all