cpt/rst: access and modification time of ghost files

Modification time changes after cpt/rst file_attr test in VZ7CT:
CT-102 criu# cat test/zdtm/live/static/file_attr.out
15:05:05.315:   146: FAIL: file_attr.c:101: modification time has
changed (errno = 11 (Resource temporarily unavailable))

https://jira.sw.ru/browse/PSBM-41401



v2: add timeval message, test seem to pass now - remove noauto
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>