Update BuildTools version to 00420-01
Update BuildTools version to 00420-01

Need fixe https://github.com/dotnet/buildtools/pull/737.

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