Update local state mgmt docs for calling retain with current api signature
Update local state mgmt docs for calling retain with current api signature

Reviewed By: kassens

Differential Revision: D20646989

fbshipit-source-id: 2d8ce0bb166b725363ca6482017f3397e4a85857

kassens/relay,atxwebs/relay,voideanvalue/relay,cpojer/relay,facebook/relay,facebook/relay,voideanvalue/relay,yungsters/relay,cpojer/relay,atxwebs/relay,voideanvalue/relay,xuorig/relay,kassens/relay,facebook/relay,josephsavona/relay,wincent/relay,josephsavona/relay,xuorig/relay,cpojer/relay,kassens/relay,wincent/relay,wincent/relay,xuorig/relay,voideanvalue/relay,voideanvalue/relay,facebook/relay,wincent/relay,kassens/relay,voideanvalue/relay,facebook/relay,atxwebs/relay,xuorig/relay,josephsavona/relay,facebook/relay,kassens/relay,atxwebs/relay,wincent/relay,xuorig/relay,xuorig/relay,yungsters/relay,kassens/relay,cpojer/relay,wincent/relay,yungsters/relay