These constants don't need to use time.Duration(). Fixup this file since it seems to be the only one using this style. Docker-DCO-1.1-Signed-off-by: Brandon Philips <brandon.philips@coreos.com> (github: philips) Upstream-commit: 4a3b36f44309ff8e650be2cff74f3ec436353298 Component: engine