Handle "Cancel" and "DidChangeWatchedFiles" notification
Handle "Cancel" and "DidChangeWatchedFiles" notification

Differential Revision: D32325766

fbshipit-source-id: 464a33dd894a5ed177ffbeb5eebde51ce0557cb9

kassens/relay,xuorig/relay,josephsavona/relay,voideanvalue/relay,voideanvalue/relay,wincent/relay,xuorig/relay,facebook/relay,kassens/relay,voideanvalue/relay,wincent/relay,wincent/relay,kassens/relay,kassens/relay,xuorig/relay,xuorig/relay,xuorig/relay,wincent/relay,xuorig/relay,kassens/relay,voideanvalue/relay,josephsavona/relay,wincent/relay,facebook/relay,facebook/relay,wincent/relay,voideanvalue/relay,facebook/relay,kassens/relay,voideanvalue/relay,facebook/relay,facebook/relay,josephsavona/relay