Fail restore if any NuGet call fails
Fail restore if any NuGet call fails

Fixes #7076 for open.

mavasani/roslyn,AlekseyTs/roslyn,panopticoncentral/roslyn,CyrusNajmabadi/roslyn,gafter/roslyn,nguerrera/roslyn,Shiney/roslyn,AnthonyDGreen/roslyn,Maxwe11/roslyn,mgoertz-msft/roslyn,tvand7093/roslyn,Hosch250/roslyn,tannergooding/roslyn,budcribar/roslyn,vcsjones/roslyn,rgani/roslyn,genlu/roslyn,ErikSchierboom/roslyn,bbarry/roslyn,KevinH-MS/roslyn,xasx/roslyn,dpoeschl/roslyn,akrisiun/roslyn,shyamnamboodiripad/roslyn,jamesqo/roslyn,akrisiun/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,dotnet/roslyn,jamesqo/roslyn,antonssonj/roslyn,Pvlerick/roslyn,AnthonyDGreen/roslyn,amcasey/roslyn,kelltrick/roslyn,managed-commons/roslyn,antonssonj/roslyn,ericfe-ms/roslyn,jhendrixMSFT/roslyn,orthoxerox/roslyn,khellang/roslyn,ericfe-ms/roslyn,jhendrixMSFT/roslyn,VSadov/roslyn,HellBrick/roslyn,srivatsn/roslyn,jcouv/roslyn,MattWindsor91/roslyn,drognanar/roslyn,a-ctor/roslyn,heejaechang/roslyn,gafter/roslyn,OmarTawfik/roslyn,CaptainHayashi/roslyn,swaroop-sridhar/roslyn,tannergooding/roslyn,Maxwe11/roslyn,jcouv/roslyn,lorcanmooney/roslyn,basoundr/roslyn,mattscheffer/roslyn,antonssonj/roslyn,dotnet/roslyn,Pvlerick/roslyn,Giftednewt/roslyn,bkoelman/roslyn,eriawan/roslyn,MichalStrehovsky/roslyn,DustinCampbell/roslyn,panopticoncentral/roslyn,tmeschter/roslyn,mgoertz-msft/roslyn,Giftednewt/roslyn,natidea/roslyn,HellBrick/roslyn,KevinRansom/roslyn,shyamnamboodiripad/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,CyrusNajmabadi/roslyn,agocke/roslyn,VSadov/roslyn,mmitche/roslyn,jkotas/roslyn,KirillOsenkov/roslyn,MattWindsor91/roslyn,ErikSchierboom/roslyn,weltkante/roslyn,srivatsn/roslyn,swaroop-sridhar/roslyn,pdelvo/roslyn,AArnott/roslyn,paulvanbrenk/roslyn,mmitche/roslyn,mattscheffer/roslyn,Pvlerick/roslyn,mattscheffer/roslyn,bartdesmet/roslyn,davkean/roslyn,OmarTawfik/roslyn,managed-commons/roslyn,xasx/roslyn,jeffanders/roslyn,xoofx/roslyn,leppie/roslyn,ValentinRueda/roslyn,diryboy/roslyn,cston/roslyn,DustinCampbell/roslyn,tvand7093/roslyn,sharadagrawal/Roslyn,sharwell/roslyn,jeffanders/roslyn,AnthonyDGreen/roslyn,shyamnamboodiripad/roslyn,xasx/roslyn,a-ctor/roslyn,managed-commons/roslyn,natidea/roslyn,mattwar/roslyn,AArnott/roslyn,Shiney/roslyn,natgla/roslyn,tmeschter/roslyn,panopticoncentral/roslyn,jeffanders/roslyn,ljw1004/roslyn,tannergooding/roslyn,SeriaWei/roslyn,bartdesmet/roslyn,michalhosala/roslyn,vslsnap/roslyn,jmarolf/roslyn,KevinRansom/roslyn,khellang/roslyn,bbarry/roslyn,weltkante/roslyn,KiloBravoLima/roslyn,MatthieuMEZIL/roslyn,diryboy/roslyn,budcribar/roslyn,drognanar/roslyn,cston/roslyn,robinsedlaczek/roslyn,KiloBravoLima/roslyn,wvdd007/roslyn,AmadeusW/roslyn,reaction1989/roslyn,wvdd007/roslyn,KirillOsenkov/roslyn,rgani/roslyn,mavasani/roslyn,yeaicc/roslyn,zooba/roslyn,swaroop-sridhar/roslyn,bkoelman/roslyn,Giftednewt/roslyn,CyrusNajmabadi/roslyn,vslsnap/roslyn,weltkante/roslyn,dpoeschl/roslyn,jasonmalinowski/roslyn,sharadagrawal/Roslyn,srivatsn/roslyn,KevinH-MS/roslyn,TyOverby/roslyn,balajikris/roslyn,jamesqo/roslyn,KevinH-MS/roslyn,mgoertz-msft/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,KirillOsenkov/roslyn,orthoxerox/roslyn,KevinRansom/roslyn,tmat/roslyn,stephentoub/roslyn,sharadagrawal/Roslyn,bkoelman/roslyn,balajikris/roslyn,paulvanbrenk/roslyn,gafter/roslyn,jmarolf/roslyn,nguerrera/roslyn,HellBrick/roslyn,AlekseyTs/roslyn,MatthieuMEZIL/roslyn,VSadov/roslyn,amcasey/roslyn,kelltrick/roslyn,jmarolf/roslyn,heejaechang/roslyn,genlu/roslyn,nguerrera/roslyn,KiloBravoLima/roslyn,brettfo/roslyn,thomaslevesque/roslyn,jcouv/roslyn,yeaicc/roslyn,reaction1989/roslyn,zooba/roslyn,Hosch250/roslyn,lorcanmooney/roslyn,mattwar/roslyn,robinsedlaczek/roslyn,tmeschter/roslyn,SeriaWei/roslyn,agocke/roslyn,sharwell/roslyn,leppie/roslyn,budcribar/roslyn,MichalStrehovsky/roslyn,jkotas/roslyn,khyperia/roslyn,basoundr/roslyn,abock/roslyn,CaptainHayashi/roslyn,TyOverby/roslyn,ericfe-ms/roslyn,khellang/roslyn,MichalStrehovsky/roslyn,aelij/roslyn,abock/roslyn,jaredpar/roslyn,TyOverby/roslyn,eriawan/roslyn,natgla/roslyn,Hosch250/roslyn,tmat/roslyn,davkean/roslyn,physhi/roslyn,natidea/roslyn,robinsedlaczek/roslyn,khyperia/roslyn,jhendrixMSFT/roslyn,OmarTawfik/roslyn,natgla/roslyn,jkotas/roslyn,AmadeusW/roslyn,tvand7093/roslyn,aelij/roslyn,eriawan/roslyn,kelltrick/roslyn,orthoxerox/roslyn,jasonmalinowski/roslyn,stephentoub/roslyn,thomaslevesque/roslyn,pdelvo/roslyn,abock/roslyn,mattwar/roslyn,jaredpar/roslyn,MatthieuMEZIL/roslyn,amcasey/roslyn,ErikSchierboom/roslyn,MattWindsor91/roslyn,vcsjones/roslyn,michalhosala/roslyn,dpoeschl/roslyn,balajikris/roslyn,Shiney/roslyn,DustinCampbell/roslyn,yeaicc/roslyn,paulvanbrenk/roslyn,physhi/roslyn,aelij/roslyn,reaction1989/roslyn,bartdesmet/roslyn,sharwell/roslyn,diryboy/roslyn,jaredpar/roslyn,ljw1004/roslyn,genlu/roslyn,tmat/roslyn,cston/roslyn,akrisiun/roslyn,AlekseyTs/roslyn,ValentinRueda/roslyn,ValentinRueda/roslyn,brettfo/roslyn,a-ctor/roslyn,xoofx/roslyn,michalhosala/roslyn,AmadeusW/roslyn,MattWindsor91/roslyn,dotnet/roslyn,agocke/roslyn,vcsjones/roslyn,AArnott/roslyn,heejaechang/roslyn,vslsnap/roslyn,brettfo/roslyn,bbarry/roslyn,leppie/roslyn,Maxwe11/roslyn,SeriaWei/roslyn,mmitche/roslyn,wvdd007/roslyn,zooba/roslyn,pdelvo/roslyn,khyperia/roslyn,davkean/roslyn,basoundr/roslyn,xoofx/roslyn,drognanar/roslyn,rgani/roslyn,physhi/roslyn,mavasani/roslyn,ljw1004/roslyn,thomaslevesque/roslyn,CaptainHayashi/roslyn,lorcanmooney/roslyn,jasonmalinowski/roslyn,stephentoub/roslyn