agent: send full task report on register
agent: send full task report on register

Signed-off-by: Alexander Morozov <4efb7da3e38416208b41d8021a942884d8a9435c@docker.com>

runshenzhu/swarmkit,sungwonh/swarmkit,cezarsa/swarmkit,sungwonh/swarmkit,cezarsa/swarmkit,elifa/swarmkit,alyyousuf7/swarmkit,RenaudWasTaken/swarmkit,jlhawn/swarmkit,Noyan759/swarmkit,deljuven/swarmkit,aaronlehmann/swarmkit,dperny/swarmkit-1,docker/swarmkit,Noyan759/swarmkit,fate-grand-order/swarmkit,RenaudWasTaken/swarmkit,cheyang/swarmkit,docker/swarmkit,jlhawn/swarmkit,dperny/swarmkit-1,vasil-yordanov/swarmkit,alyyousuf7/swarmkit,deljuven/swarmkit,diogomonica/swarmkit,AliyunContainerService/swarmkit,diogomonica/swarmkit,elifa/swarmkit,allencloud/swarmkit,yongtang/swarmkit,fate-grand-order/swarmkit,runshenzhu/swarmkit,vasil-yordanov/swarmkit,AliyunContainerService/swarmkit,yp-engineering/swarmkit,allencloud/swarmkit,yp-engineering/swarmkit,aaronlehmann/swarmkit,cheyang/swarmkit,yongtang/swarmkit