BUILD: Ensure that an invalid lock file will fail the build
BUILD: Ensure that an invalid lock file will fail the build

DNX has an issue https://github.com/aspnet/dnx/issues/2771
where an invalid lock files will cause the entire repro to be updated
to the latest packages.  I've fixed the invalid lock files, this adds
an error to block it from happening again.

[tfs-changeset: 1539937]

bitcrazed/corefx,vidhya-bv/corefx-sorting,ravimeda/corefx,gregg-miskelly/corefx,ellismg/corefx,mazong1123/corefx,690486439/corefx,YoupHulsebos/corefx,jeremymeng/corefx,gkhanna79/corefx,mellinoe/corefx,mafiya69/corefx,yizhang82/corefx,axelheer/corefx,benpye/corefx,billwert/corefx,elijah6/corefx,jhendrixMSFT/corefx,690486439/corefx,alexandrnikitin/corefx,krytarowski/corefx,parjong/corefx,dotnet-bot/corefx,rjxby/corefx,zhenlan/corefx,krk/corefx,manu-silicon/corefx,PatrickMcDonald/corefx,n1ghtmare/corefx,twsouthwick/corefx,zhenlan/corefx,jeremymeng/corefx,mokchhya/corefx,richlander/corefx,rahku/corefx,nbarbettini/corefx,shahid-pk/corefx,dhoehna/corefx,pallavit/corefx,seanshpark/corefx,zhenlan/corefx,krytarowski/corefx,Priya91/corefx-1,lggomez/corefx,benpye/corefx,PatrickMcDonald/corefx,dhoehna/corefx,jhendrixMSFT/corefx,lggomez/corefx,parjong/corefx,mokchhya/corefx,jlin177/corefx,marksmeltzer/corefx,rahku/corefx,nbarbettini/corefx,mafiya69/corefx,lggomez/corefx,tijoytom/corefx,mokchhya/corefx,jhendrixMSFT/corefx,manu-silicon/corefx,billwert/corefx,mmitche/corefx,Ermiar/corefx,jcme/corefx,stone-li/corefx,bitcrazed/corefx,ViktorHofer/corefx,ellismg/corefx,JosephTremoulet/corefx,690486439/corefx,SGuyGe/corefx,JosephTremoulet/corefx,jeremymeng/corefx,twsouthwick/corefx,Ermiar/corefx,the-dwyer/corefx,tstringer/corefx,Jiayili1/corefx,stone-li/corefx,shimingsg/corefx,shahid-pk/corefx,tstringer/corefx,dotnet-bot/corefx,kkurni/corefx,twsouthwick/corefx,YoupHulsebos/corefx,krytarowski/corefx,krytarowski/corefx,the-dwyer/corefx,alexandrnikitin/corefx,nbarbettini/corefx,dotnet-bot/corefx,josguil/corefx,mokchhya/corefx,richlander/corefx,weltkante/corefx,cydhaselton/corefx,PatrickMcDonald/corefx,ravimeda/corefx,shimingsg/corefx,lggomez/corefx,Chrisboh/corefx,gregg-miskelly/corefx,alexperovich/corefx,adamralph/corefx,ellismg/corefx,seanshpark/corefx,iamjasonp/corefx,akivafr123/corefx,jhendrixMSFT/corefx,shimingsg/corefx,gkhanna79/corefx,JosephTremoulet/corefx,alexandrnikitin/corefx,Ermiar/corefx,parjong/corefx,jlin177/corefx,stone-li/corefx,ericstj/corefx,JosephTremoulet/corefx,SGuyGe/corefx,nchikanov/corefx,nchikanov/corefx,marksmeltzer/corefx,alphonsekurian/corefx,twsouthwick/corefx,PatrickMcDonald/corefx,krk/corefx,ericstj/corefx,shimingsg/corefx,khdang/corefx,iamjasonp/corefx,josguil/corefx,rjxby/corefx,rahku/corefx,Chrisboh/corefx,stone-li/corefx,kkurni/corefx,yizhang82/corefx,akivafr123/corefx,nbarbettini/corefx,mellinoe/corefx,parjong/corefx,MaggieTsang/corefx,wtgodbe/corefx,mazong1123/corefx,shahid-pk/corefx,dotnet-bot/corefx,mmitche/corefx,ericstj/corefx,lggomez/corefx,vidhya-bv/corefx-sorting,rjxby/corefx,manu-silicon/corefx,MaggieTsang/corefx,benjamin-bader/corefx,benjamin-bader/corefx,shahid-pk/corefx,the-dwyer/corefx,MaggieTsang/corefx,akivafr123/corefx,mmitche/corefx,janhenke/corefx,benjamin-bader/corefx,dsplaisted/corefx,ericstj/corefx,janhenke/corefx,cartermp/corefx,n1ghtmare/corefx,MaggieTsang/corefx,ptoonen/corefx,manu-silicon/corefx,ravimeda/corefx,pallavit/corefx,josguil/corefx,weltkante/corefx,SGuyGe/corefx,marksmeltzer/corefx,BrennanConroy/corefx,Jiayili1/corefx,shmao/corefx,Petermarcu/corefx,richlander/corefx,stephenmichaelf/corefx,josguil/corefx,nbarbettini/corefx,JosephTremoulet/corefx,jlin177/corefx,yizhang82/corefx,marksmeltzer/corefx,cartermp/corefx,shmao/corefx,lggomez/corefx,nchikanov/corefx,ellismg/corefx,Petermarcu/corefx,billwert/corefx,alphonsekurian/corefx,rubo/corefx,ericstj/corefx,dsplaisted/corefx,dotnet-bot/corefx,Ermiar/corefx,shmao/corefx,Jiayili1/corefx,dsplaisted/corefx,alexperovich/corefx,Ermiar/corefx,alexandrnikitin/corefx,twsouthwick/corefx,ViktorHofer/corefx,the-dwyer/corefx,billwert/corefx,khdang/corefx,janhenke/corefx,elijah6/corefx,YoupHulsebos/corefx,yizhang82/corefx,iamjasonp/corefx,Jiayili1/corefx,n1ghtmare/corefx,josguil/corefx,690486439/corefx,Priya91/corefx-1,akivafr123/corefx,zhenlan/corefx,benjamin-bader/corefx,janhenke/corefx,mmitche/corefx,Yanjing123/corefx,fgreinacher/corefx,billwert/corefx,jeremymeng/corefx,nbarbettini/corefx,gregg-miskelly/corefx,stone-li/corefx,cydhaselton/corefx,jhendrixMSFT/corefx,weltkante/corefx,Ermiar/corefx,vidhya-bv/corefx-sorting,iamjasonp/corefx,Yanjing123/corefx,dhoehna/corefx,benpye/corefx,cydhaselton/corefx,axelheer/corefx,jhendrixMSFT/corefx,ericstj/corefx,adamralph/corefx,dhoehna/corefx,shmao/corefx,iamjasonp/corefx,Jiayili1/corefx,SGuyGe/corefx,mazong1123/corefx,ptoonen/corefx,zhenlan/corefx,richlander/corefx,iamjasonp/corefx,stone-li/corefx,marksmeltzer/corefx,MaggieTsang/corefx,elijah6/corefx,DnlHarvey/corefx,cydhaselton/corefx,alexperovich/corefx,shmao/corefx,shahid-pk/corefx,JosephTremoulet/corefx,nchikanov/corefx,mazong1123/corefx,mellinoe/corefx,Yanjing123/corefx,weltkante/corefx,tijoytom/corefx,n1ghtmare/corefx,mazong1123/corefx,benpye/corefx,ptoonen/corefx,nchikanov/corefx,ellismg/corefx,nchikanov/corefx,ViktorHofer/corefx,manu-silicon/corefx,pallavit/corefx,tijoytom/corefx,SGuyGe/corefx,rahku/corefx,ViktorHofer/corefx,jlin177/corefx,vidhya-bv/corefx-sorting,MaggieTsang/corefx,YoupHulsebos/corefx,akivafr123/corefx,alphonsekurian/corefx,gregg-miskelly/corefx,Priya91/corefx-1,mellinoe/corefx,jlin177/corefx,marksmeltzer/corefx,janhenke/corefx,jeremymeng/corefx,MaggieTsang/corefx,Chrisboh/corefx,mazong1123/corefx,mokchhya/corefx,jcme/corefx,elijah6/corefx,billwert/corefx,jlin177/corefx,mellinoe/corefx,cydhaselton/corefx,ravimeda/corefx,benpye/corefx,tstringer/corefx,shmao/corefx,ptoonen/corefx,Petermarcu/corefx,Jiayili1/corefx,rjxby/corefx,alexandrnikitin/corefx,ravimeda/corefx,yizhang82/corefx,Chrisboh/corefx,JosephTremoulet/corefx,DnlHarvey/corefx,stephenmichaelf/corefx,dotnet-bot/corefx,twsouthwick/corefx,kkurni/corefx,tijoytom/corefx,richlander/corefx,fgreinacher/corefx,josguil/corefx,zhenlan/corefx,wtgodbe/corefx,zhenlan/corefx,mafiya69/corefx,krytarowski/corefx,ptoonen/corefx,Priya91/corefx-1,stephenmichaelf/corefx,Petermarcu/corefx,elijah6/corefx,alphonsekurian/corefx,n1ghtmare/corefx,fgreinacher/corefx,marksmeltzer/corefx,DnlHarvey/corefx,jcme/corefx,Priya91/corefx-1,ptoonen/corefx,weltkante/corefx,YoupHulsebos/corefx,bitcrazed/corefx,mafiya69/corefx,jlin177/corefx,seanshpark/corefx,stone-li/corefx,Priya91/corefx-1,wtgodbe/corefx,rubo/corefx,mafiya69/corefx,mokchhya/corefx,Petermarcu/corefx,dhoehna/corefx,weltkante/corefx,parjong/corefx,ptoonen/corefx,jcme/corefx,lggomez/corefx,khdang/corefx,Jiayili1/corefx,benjamin-bader/corefx,krk/corefx,nbarbettini/corefx,BrennanConroy/corefx,Ermiar/corefx,shimingsg/corefx,ravimeda/corefx,vidhya-bv/corefx-sorting,DnlHarvey/corefx,krk/corefx,parjong/corefx,cartermp/corefx,dotnet-bot/corefx,ellismg/corefx,rjxby/corefx,ravimeda/corefx,alexperovich/corefx,jcme/corefx,richlander/corefx,khdang/corefx,the-dwyer/corefx,wtgodbe/corefx,rubo/corefx,mmitche/corefx,PatrickMcDonald/corefx,nchikanov/corefx,alexperovich/corefx,kkurni/corefx,Yanjing123/corefx,khdang/corefx,stephenmichaelf/corefx,krk/corefx,cydhaselton/corefx,Chrisboh/corefx,the-dwyer/corefx,BrennanConroy/corefx,bitcrazed/corefx,DnlHarvey/corefx,stephenmichaelf/corefx,billwert/corefx,cartermp/corefx,krytarowski/corefx,khdang/corefx,adamralph/corefx,mmitche/corefx,shahid-pk/corefx,the-dwyer/corefx,YoupHulsebos/corefx,DnlHarvey/corefx,rubo/corefx,rjxby/corefx,wtgodbe/corefx,ViktorHofer/corefx,pallavit/corefx,krytarowski/corefx,rjxby/corefx,alexperovich/corefx,shmao/corefx,rahku/corefx,stephenmichaelf/corefx,shimingsg/corefx,Petermarcu/corefx,kkurni/corefx,weltkante/corefx,tijoytom/corefx,ericstj/corefx,janhenke/corefx,alphonsekurian/corefx,gkhanna79/corefx,cartermp/corefx,SGuyGe/corefx,benpye/corefx,Yanjing123/corefx,seanshpark/corefx,mazong1123/corefx,Petermarcu/corefx,seanshpark/corefx,wtgodbe/corefx,mmitche/corefx,ViktorHofer/corefx,690486439/corefx,wtgodbe/corefx,axelheer/corefx,DnlHarvey/corefx,dhoehna/corefx,fgreinacher/corefx,krk/corefx,parjong/corefx,alphonsekurian/corefx,pallavit/corefx,jcme/corefx,cartermp/corefx,YoupHulsebos/corefx,jhendrixMSFT/corefx,krk/corefx,rahku/corefx,alexperovich/corefx,stephenmichaelf/corefx,twsouthwick/corefx,rahku/corefx,rubo/corefx,tijoytom/corefx,benjamin-bader/corefx,tstringer/corefx,kkurni/corefx,cydhaselton/corefx,manu-silicon/corefx,dhoehna/corefx,gkhanna79/corefx,alphonsekurian/corefx,elijah6/corefx,bitcrazed/corefx,gkhanna79/corefx,seanshpark/corefx,gkhanna79/corefx,Chrisboh/corefx,iamjasonp/corefx,tstringer/corefx,axelheer/corefx,yizhang82/corefx,axelheer/corefx,pallavit/corefx,mellinoe/corefx,mafiya69/corefx,ViktorHofer/corefx,axelheer/corefx,manu-silicon/corefx,gkhanna79/corefx,richlander/corefx,seanshpark/corefx,yizhang82/corefx,shimingsg/corefx,elijah6/corefx,tijoytom/corefx,tstringer/corefx