Revert "Revert "Create a cros directory under client, and start moving things into it.""

This reverts commit 985a034fc1fdec67841dd73d1913b0020e689423.

Resubmit http://codereview.chromium.org/5519008/
along with http://codereview.chromium.org/5568008/ this time.

Change-Id: I1b5b10ba3e4f9b13e0632cd45f27210bcb13b2a0

TBR=seano
diff --git a/client/common_lib/cros/autoupdater.py b/client/common_lib/cros/autoupdater.py
index 311bd58..3ed6105 100644
--- a/client/common_lib/cros/autoupdater.py
+++ b/client/common_lib/cros/autoupdater.py
@@ -8,8 +8,8 @@
 import socket
 import urlparse
 
-from autotest_lib.client.bin import chromeos_constants
 from autotest_lib.client.common_lib import error
+from autotest_lib.client.cros import constants as chromeos_constants
 
 STATEFULDEV_UPDATER = '/usr/local/bin/stateful_update'
 UPDATER_BIN = '/usr/bin/update_engine_client'