actions: report pid in the post-restore notification
actions: report pid in the post-restore notification

libcontainer saves PID in a state file.

Signed-off-by: Andrew Vagin <74c05afa918858348d6db8037d82fa8124870113@openvz.org>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

svloyso/criu,ldu4/criu,AuthenticEshkinKot/criu,tych0/criu,efiop/criu,AuthenticEshkinKot/criu,tych0/criu,ldu4/criu,LK4D4/criu,gonkulator/criu,KKoukiou/criu-remote,tych0/criu,efiop/criu,marcosnils/criu,sdgdsffdsfff/criu,sdgdsffdsfff/criu,AuthenticEshkinKot/criu,AuthenticEshkinKot/criu,KKoukiou/criu-remote,gablg1/criu,ldu4/criu,biddyweb/criu,eabatalov/criu,rentzsch/criu,eabatalov/criu,sdgdsffdsfff/criu,gonkulator/criu,svloyso/criu,biddyweb/criu,fbocharov/criu,biddyweb/criu,tych0/criu,biddyweb/criu,gonkulator/criu,LK4D4/criu,AuthenticEshkinKot/criu,marcosnils/criu,tych0/criu,eabatalov/criu,gonkulator/criu,biddyweb/criu,gablg1/criu,gablg1/criu,LK4D4/criu,ldu4/criu,tych0/criu,efiop/criu,svloyso/criu,efiop/criu,fbocharov/criu,gablg1/criu,eabatalov/criu,wtf42/criu,sdgdsffdsfff/criu,KKoukiou/criu-remote,marcosnils/criu,gonkulator/criu,fbocharov/criu,AuthenticEshkinKot/criu,gonkulator/criu,KKoukiou/criu-remote,LK4D4/criu,gablg1/criu,svloyso/criu,rentzsch/criu,eabatalov/criu,gablg1/criu,marcosnils/criu,marcosnils/criu,svloyso/criu,fbocharov/criu,rentzsch/criu,sdgdsffdsfff/criu,fbocharov/criu,sdgdsffdsfff/criu,rentzsch/criu,ldu4/criu,rentzsch/criu,efiop/criu,svloyso/criu,wtf42/criu,fbocharov/criu,wtf42/criu,eabatalov/criu,rentzsch/criu,LK4D4/criu,LK4D4/criu,wtf42/criu,KKoukiou/criu-remote,marcosnils/criu,wtf42/criu,KKoukiou/criu-remote,efiop/criu,ldu4/criu,biddyweb/criu,wtf42/criu