[lsp] fix logging of cancellations
[lsp] fix logging of cancellations

Reviewed By: gabelevi

Differential Revision: D16738472

fbshipit-source-id: 932698cba0025723aa37833687a4c1ce30b6e196

gabelevi/flow,mroch/flow,facebook/flow,facebook/flow,facebook/flow,mroch/flow,gabelevi/flow,gabelevi/flow,gabelevi/flow,samwgoldman/flow,samwgoldman/flow,gabelevi/flow,mroch/flow,mroch/flow,facebook/flow,mroch/flow,facebook/flow,samwgoldman/flow,mroch/flow,samwgoldman/flow,facebook/flow,samwgoldman/flow,samwgoldman/flow,gabelevi/flow,samwgoldman/flow,facebook/flow,mroch/flow,gabelevi/flow