cros-disks: disable cgroup namespace for FUSE mounters

Chrome OS kernel 3.8 doesn't cgroup namespace, so this CL temporarily
disables cgroup namespace for FUSE mounters.

BUG=chromium:729372
TEST=Run platform_CrosDisksFilesystem tests on devices with kernel 3.8.

Change-Id: I7c7ed7ac4e1b4fa1bfd32d29c11c496162ccbfe3
Reviewed-on: https://chromium-review.googlesource.com/523017
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
(cherry picked from commit 47ec72b4cf358ebe5bc2abf0eaca4100d1a2d8fc)
Reviewed-on: https://chromium-review.googlesource.com/525055
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
1 file changed