Only set VSTS build number in non-PR builds to avoid auth errors
Only set VSTS build number in non-PR builds to avoid auth errors

atom/atom,PKRoma/atom,liuderchi/atom,PKRoma/atom,stinsonga/atom,PKRoma/atom,Mokolea/atom,atom/atom,atom/atom,andrewleverette/atom,t9md/atom,t9md/atom,stinsonga/atom,brettle/atom,liuderchi/atom,brettle/atom,liuderchi/atom,andrewleverette/atom,brettle/atom,t9md/atom,liuderchi/atom,andrewleverette/atom,Mokolea/atom,Mokolea/atom,stinsonga/atom,stinsonga/atom