Clear network list when device is disabled.

BUG=chrome-os-partner:10870
TEST=Verify that there is no connect failures after re-enabling device.

Change-Id: Id62a22f99c86b02f05d92a7bbd4b562aa7bb2685
Reviewed-on: https://gerrit.chromium.org/gerrit/26652
Reviewed-by: Darin Petkov <petkov@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Commit-Ready: Ben Chan <benchan@chromium.org>
1 file changed