[OPR-133]: Overrides cancel() to include logging info.
[OPR-133]: Overrides cancel() to include logging info.

cezarywojcik/Operations,ProcedureKit/ProcedureKit,blg-andreasbraun/Operations,danthorpe/Operations,blg-andreasbraun/ProcedureKit,danthorpe/Operations,blg-andreasbraun/Operations,blg-andreasbraun/Operations,cezarywojcik/Operations,danthorpe/Operations,cezarywojcik/Operations,blg-andreasbraun/ProcedureKit,ProcedureKit/ProcedureKit,ProcedureKit/ProcedureKit,blg-andreasbraun/ProcedureKit