Fix System.Net.Mail.Unit.Tests project.json
Fix System.Net.Mail.Unit.Tests project.json

It fails to build, unable to find the Authorization type.  Previously it must have been referencing System.Net.Requests somehow indirectly, but now it needs the explicit reference added.

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