Changed mount calls to asynchronous to avoid dbus timeouts.

BUG=chromium-os:36666
TEST=Ran the test

Change-Id: Ibe54691e629a556bfe4102db94996d2813c58dac
Previous-Reviewed-on: https://gerrit.chromium.org/gerrit/39879
(cherry picked from commit eb65ee7f851e5a53490606f3176655815b9340cd)
Reviewed-on: https://gerrit.chromium.org/gerrit/40941
Reviewed-by: Elly Jones <ellyjones@chromium.org>
Commit-Queue: Darren Krahn <dkrahn@chromium.org>
Tested-by: Darren Krahn <dkrahn@chromium.org>
1 file changed