Make GetFilesToPackage use all cores
Make GetFilesToPackage use all cores

This target was using a property that is not defined by traversal
projects.

twsouthwick/corefx,the-dwyer/corefx,stone-li/corefx,Ermiar/corefx,DnlHarvey/corefx,krk/corefx,Jiayili1/corefx,Petermarcu/corefx,rubo/corefx,wtgodbe/corefx,lggomez/corefx,nbarbettini/corefx,tijoytom/corefx,lggomez/corefx,elijah6/corefx,alexperovich/corefx,axelheer/corefx,twsouthwick/corefx,zhenlan/corefx,nbarbettini/corefx,richlander/corefx,Jiayili1/corefx,fgreinacher/corefx,MaggieTsang/corefx,YoupHulsebos/corefx,stone-li/corefx,krytarowski/corefx,mazong1123/corefx,elijah6/corefx,ravimeda/corefx,yizhang82/corefx,stone-li/corefx,ravimeda/corefx,seanshpark/corefx,twsouthwick/corefx,ericstj/corefx,jlin177/corefx,parjong/corefx,DnlHarvey/corefx,weltkante/corefx,axelheer/corefx,nchikanov/corefx,mmitche/corefx,lggomez/corefx,krytarowski/corefx,mmitche/corefx,dhoehna/corefx,ViktorHofer/corefx,weltkante/corefx,jlin177/corefx,gkhanna79/corefx,Ermiar/corefx,alexperovich/corefx,rjxby/corefx,ericstj/corefx,twsouthwick/corefx,mazong1123/corefx,DnlHarvey/corefx,wtgodbe/corefx,Ermiar/corefx,wtgodbe/corefx,rahku/corefx,parjong/corefx,weltkante/corefx,cydhaselton/corefx,rahku/corefx,Ermiar/corefx,lggomez/corefx,ptoonen/corefx,the-dwyer/corefx,JosephTremoulet/corefx,richlander/corefx,gkhanna79/corefx,dotnet-bot/corefx,richlander/corefx,seanshpark/corefx,lggomez/corefx,jlin177/corefx,richlander/corefx,ViktorHofer/corefx,parjong/corefx,the-dwyer/corefx,dotnet-bot/corefx,billwert/corefx,mmitche/corefx,parjong/corefx,Petermarcu/corefx,marksmeltzer/corefx,shimingsg/corefx,elijah6/corefx,fgreinacher/corefx,fgreinacher/corefx,yizhang82/corefx,nchikanov/corefx,krytarowski/corefx,tijoytom/corefx,richlander/corefx,dhoehna/corefx,rubo/corefx,the-dwyer/corefx,marksmeltzer/corefx,stephenmichaelf/corefx,stone-li/corefx,tijoytom/corefx,dhoehna/corefx,billwert/corefx,Petermarcu/corefx,marksmeltzer/corefx,DnlHarvey/corefx,stephenmichaelf/corefx,mazong1123/corefx,wtgodbe/corefx,YoupHulsebos/corefx,ravimeda/corefx,MaggieTsang/corefx,JosephTremoulet/corefx,wtgodbe/corefx,yizhang82/corefx,DnlHarvey/corefx,zhenlan/corefx,ViktorHofer/corefx,shimingsg/corefx,marksmeltzer/corefx,nbarbettini/corefx,shimingsg/corefx,yizhang82/corefx,rahku/corefx,dhoehna/corefx,mazong1123/corefx,billwert/corefx,tijoytom/corefx,JosephTremoulet/corefx,YoupHulsebos/corefx,gkhanna79/corefx,seanshpark/corefx,gkhanna79/corefx,ericstj/corefx,rjxby/corefx,weltkante/corefx,zhenlan/corefx,ViktorHofer/corefx,shimingsg/corefx,ravimeda/corefx,krytarowski/corefx,gkhanna79/corefx,BrennanConroy/corefx,ViktorHofer/corefx,ViktorHofer/corefx,alexperovich/corefx,dhoehna/corefx,marksmeltzer/corefx,zhenlan/corefx,ericstj/corefx,krytarowski/corefx,mazong1123/corefx,jlin177/corefx,Jiayili1/corefx,marksmeltzer/corefx,krytarowski/corefx,rahku/corefx,zhenlan/corefx,nchikanov/corefx,rubo/corefx,the-dwyer/corefx,ericstj/corefx,axelheer/corefx,zhenlan/corefx,JosephTremoulet/corefx,Jiayili1/corefx,stephenmichaelf/corefx,stone-li/corefx,nchikanov/corefx,billwert/corefx,ViktorHofer/corefx,ptoonen/corefx,YoupHulsebos/corefx,shimingsg/corefx,dotnet-bot/corefx,twsouthwick/corefx,Petermarcu/corefx,gkhanna79/corefx,seanshpark/corefx,rubo/corefx,nchikanov/corefx,BrennanConroy/corefx,cydhaselton/corefx,ericstj/corefx,nchikanov/corefx,lggomez/corefx,DnlHarvey/corefx,stone-li/corefx,YoupHulsebos/corefx,Ermiar/corefx,Petermarcu/corefx,dotnet-bot/corefx,MaggieTsang/corefx,jlin177/corefx,rubo/corefx,krk/corefx,alexperovich/corefx,billwert/corefx,elijah6/corefx,krk/corefx,elijah6/corefx,alexperovich/corefx,rahku/corefx,shimingsg/corefx,cydhaselton/corefx,Jiayili1/corefx,ptoonen/corefx,JosephTremoulet/corefx,twsouthwick/corefx,zhenlan/corefx,ptoonen/corefx,elijah6/corefx,mmitche/corefx,nbarbettini/corefx,krk/corefx,weltkante/corefx,gkhanna79/corefx,ptoonen/corefx,dotnet-bot/corefx,weltkante/corefx,twsouthwick/corefx,MaggieTsang/corefx,MaggieTsang/corefx,BrennanConroy/corefx,richlander/corefx,tijoytom/corefx,yizhang82/corefx,lggomez/corefx,nbarbettini/corefx,YoupHulsebos/corefx,stone-li/corefx,billwert/corefx,mmitche/corefx,Ermiar/corefx,parjong/corefx,cydhaselton/corefx,parjong/corefx,rjxby/corefx,wtgodbe/corefx,ravimeda/corefx,JosephTremoulet/corefx,mazong1123/corefx,tijoytom/corefx,stephenmichaelf/corefx,alexperovich/corefx,MaggieTsang/corefx,krk/corefx,alexperovich/corefx,cydhaselton/corefx,axelheer/corefx,stephenmichaelf/corefx,Jiayili1/corefx,ravimeda/corefx,YoupHulsebos/corefx,mazong1123/corefx,MaggieTsang/corefx,marksmeltzer/corefx,wtgodbe/corefx,tijoytom/corefx,yizhang82/corefx,axelheer/corefx,Petermarcu/corefx,fgreinacher/corefx,JosephTremoulet/corefx,cydhaselton/corefx,ptoonen/corefx,rjxby/corefx,yizhang82/corefx,rahku/corefx,dhoehna/corefx,rjxby/corefx,elijah6/corefx,Ermiar/corefx,jlin177/corefx,dotnet-bot/corefx,seanshpark/corefx,nbarbettini/corefx,Jiayili1/corefx,nbarbettini/corefx,shimingsg/corefx,axelheer/corefx,the-dwyer/corefx,Petermarcu/corefx,dhoehna/corefx,ptoonen/corefx,stephenmichaelf/corefx,cydhaselton/corefx,seanshpark/corefx,krk/corefx,nchikanov/corefx,DnlHarvey/corefx,the-dwyer/corefx,richlander/corefx,parjong/corefx,billwert/corefx,krytarowski/corefx,rjxby/corefx,stephenmichaelf/corefx,rahku/corefx,ravimeda/corefx,weltkante/corefx,dotnet-bot/corefx,jlin177/corefx,seanshpark/corefx,mmitche/corefx,ericstj/corefx,mmitche/corefx,krk/corefx,rjxby/corefx