state: fix state dir
state: fix state dir

We were using /containers/$container/rootfs/state as the directory to save
CRIU state in; instead, let's just use /containers/$container/state.

Signed-off-by: Tycho Andersen <10c18fcb898ee6b17d6575d444b125d10b3f4d6a@canonical.com>

hallyn/lxd,lxc/lxd,pcdummy/lxd,lxc/lxd,chrisglass/lxd,ollie314/lxd,akshaykarle/lxd,stgraber/lxd,erikmack/lxd,stgraber/lxd,jsavikko/lxd,pcdummy/lxd,techtonik/lxd,georghopp/lxd,jsavikko/lxd,hallyn/lxd,hallyn/lxd,lxc/lxd,erikmack/lxd,chrisglass/lxd,erikmack/lxd,mjeanson/lxd,jsavikko/lxd,georghopp/lxd,lxc/lxd,akshaykarle/lxd,stgraber/lxd,stgraber/lxd,mjeanson/lxd,techtonik/lxd,Skarlso/lxd,hallyn/lxd,georghopp/lxd,mjeanson/lxd,atxwebs/lxd,ollie314/lxd,stgraber/lxd,hallyn/lxd,akshaykarle/lxd,atxwebs/lxd,ollie314/lxd,atxwebs/lxd,atxwebs/lxd,Skarlso/lxd,chrisglass/lxd,stgraber/lxd,lxc/lxd,techtonik/lxd,lxc/lxd,hallyn/lxd,pcdummy/lxd,lxc/lxd,Skarlso/lxd,Skarlso/lxd,stgraber/lxd