Suppress 4.6 warnings in CoreCLR projects
Suppress 4.6 warnings in CoreCLR projects

Since the warning is in BuildClient.cs which is linked to desktop
projects which don't yet target 4.6, suppress the warning for now

ilyes14/roslyn,lorcanmooney/roslyn,stephentoub/roslyn,mattwar/roslyn,VShangxiao/roslyn,FICTURE7/roslyn,zooba/roslyn,brettfo/roslyn,AArnott/roslyn,bbarry/roslyn,EricArndt/roslyn,jkotas/roslyn,rchande/roslyn,enginekit/roslyn,managed-commons/roslyn,sharadagrawal/Roslyn,tannergooding/roslyn,panopticoncentral/roslyn,eriawan/roslyn,pjmagee/roslyn,kelltrick/roslyn,YOTOV-LIMITED/roslyn,antonssonj/roslyn,bkoelman/roslyn,budcribar/roslyn,vcsjones/roslyn,Pvlerick/roslyn,moozzyk/roslyn,dotnet/roslyn,Giftednewt/roslyn,natidea/roslyn,yjfxfjch/roslyn,ericfe-ms/roslyn,supriyantomaftuh/roslyn,AlekseyTs/roslyn,KevinH-MS/roslyn,doconnell565/roslyn,VitalyTVA/roslyn,bkoelman/roslyn,brettfo/roslyn,bbarry/roslyn,balajikris/roslyn,HellBrick/roslyn,ilyes14/roslyn,cston/roslyn,balajikris/roslyn,pjmagee/roslyn,AlekseyTs/roslyn,ilyes14/roslyn,wvdd007/roslyn,abock/roslyn,jamesqo/roslyn,jcouv/roslyn,weltkante/roslyn,poizan42/roslyn,VShangxiao/roslyn,stephentoub/roslyn,FICTURE7/roslyn,AArnott/roslyn,evilc0des/roslyn,KevinRansom/roslyn,MihaMarkic/roslyn-prank,jonatassaraiva/roslyn,tang7526/roslyn,KevinH-MS/roslyn,ErikSchierboom/roslyn,ErikSchierboom/roslyn,Inverness/roslyn,bbarry/roslyn,antiufo/roslyn,nagyistoce/roslyn,natidea/roslyn,huoxudong125/roslyn,jcouv/roslyn,amcasey/roslyn,BugraC/roslyn,AmadeusW/roslyn,KamalRathnayake/roslyn,mattwar/roslyn,devharis/roslyn,stebet/roslyn,mirhagk/roslyn,physhi/roslyn,tmat/roslyn,KevinH-MS/roslyn,srivatsn/roslyn,mavasani/roslyn,SeriaWei/roslyn,oberxon/roslyn,jasonmalinowski/roslyn,davkean/roslyn,kelltrick/roslyn,eriawan/roslyn,bartdesmet/roslyn,aelij/roslyn,MattWindsor91/roslyn,mseamari/Stuff,krishnarajbb/roslyn,xasx/roslyn,Inverness/roslyn,aanshibudhiraja/Roslyn,ljw1004/roslyn,michalhosala/roslyn,agocke/roslyn,ahmedshuhel/roslyn,taylorjonl/roslyn,tang7526/roslyn,jbhensley/roslyn,zooba/roslyn,stebet/roslyn,VSadov/roslyn,evilc0des/roslyn,physhi/roslyn,rgani/roslyn,MattWindsor91/roslyn,gafter/roslyn,mavasani/roslyn,orthoxerox/roslyn,abock/roslyn,dpoeschl/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,RipCurrent/roslyn,khyperia/roslyn,nguerrera/roslyn,bkoelman/roslyn,natgla/roslyn,sharadagrawal/Roslyn,Maxwe11/roslyn,rchande/roslyn,yeaicc/roslyn,wvdd007/roslyn,MatthieuMEZIL/roslyn,shyamnamboodiripad/roslyn,jmarolf/roslyn,enginekit/roslyn,EricArndt/roslyn,Pvlerick/roslyn,Giftednewt/roslyn,hanu412/roslyn,MichalStrehovsky/roslyn,yeaicc/roslyn,mseamari/Stuff,ValentinRueda/roslyn,Inverness/roslyn,drognanar/roslyn,supriyantomaftuh/roslyn,weltkante/roslyn,Hosch250/roslyn,diryboy/roslyn,antonssonj/roslyn,KamalRathnayake/roslyn,AArnott/roslyn,Hosch250/roslyn,zooba/roslyn,antiufo/roslyn,jamesqo/roslyn,mgoertz-msft/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,Shiney/roslyn,budcribar/roslyn,Shiney/roslyn,nguerrera/roslyn,paulvanbrenk/roslyn,gafter/roslyn,DustinCampbell/roslyn,aelij/roslyn,sharwell/roslyn,ahmedshuhel/roslyn,jkotas/roslyn,dpoeschl/roslyn,AnthonyDGreen/roslyn,xoofx/roslyn,huoxudong125/roslyn,heejaechang/roslyn,jmarolf/roslyn,jmarolf/roslyn,robinsedlaczek/roslyn,KamalRathnayake/roslyn,MatthieuMEZIL/roslyn,jroggeman/roslyn,nagyistoce/roslyn,reaction1989/roslyn,ljw1004/roslyn,robinsedlaczek/roslyn,GuilhermeSa/roslyn,russpowers/roslyn,MichalStrehovsky/roslyn,EricArndt/roslyn,AlexisArce/roslyn,dotnet/roslyn,poizan42/roslyn,taylorjonl/roslyn,CaptainHayashi/roslyn,GuilhermeSa/roslyn,orthoxerox/roslyn,vslsnap/roslyn,akrisiun/roslyn,tvand7093/roslyn,VShangxiao/roslyn,managed-commons/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,jonatassaraiva/roslyn,YOTOV-LIMITED/roslyn,diryboy/roslyn,MihaMarkic/roslyn-prank,FICTURE7/roslyn,BugraC/roslyn,vcsjones/roslyn,panopticoncentral/roslyn,stebet/roslyn,grianggrai/roslyn,leppie/roslyn,jeremymeng/roslyn,ValentinRueda/roslyn,SeriaWei/roslyn,zmaruo/roslyn,antiufo/roslyn,khellang/roslyn,jasonmalinowski/roslyn,AmadeusW/roslyn,weltkante/roslyn,BugraC/roslyn,bartdesmet/roslyn,basoundr/roslyn,stephentoub/roslyn,natidea/roslyn,ErikSchierboom/roslyn,KirillOsenkov/roslyn,vcsjones/roslyn,jonatassaraiva/roslyn,cston/roslyn,michalhosala/roslyn,khyperia/roslyn,devharis/roslyn,ericfe-ms/roslyn,Maxwe11/roslyn,oocx/roslyn,KiloBravoLima/roslyn,pdelvo/roslyn,pjmagee/roslyn,ahmedshuhel/roslyn,amcasey/roslyn,a-ctor/roslyn,SeriaWei/roslyn,doconnell565/roslyn,brettfo/roslyn,srivatsn/roslyn,wvdd007/roslyn,jamesqo/roslyn,grianggrai/roslyn,krishnarajbb/roslyn,swaroop-sridhar/roslyn,sharwell/roslyn,oocx/roslyn,pdelvo/roslyn,lorcanmooney/roslyn,jbhensley/roslyn,paulvanbrenk/roslyn,TyOverby/roslyn,mirhagk/roslyn,VSadov/roslyn,danielcweber/roslyn,AlekseyTs/roslyn,jaredpar/roslyn,CaptainHayashi/roslyn,basoundr/roslyn,balajikris/roslyn,amcasey/roslyn,khellang/roslyn,tmat/roslyn,moozzyk/roslyn,moozzyk/roslyn,magicbing/roslyn,mattscheffer/roslyn,a-ctor/roslyn,AnthonyDGreen/roslyn,mirhagk/roslyn,TyOverby/roslyn,hanu412/roslyn,3F/roslyn,heejaechang/roslyn,vslsnap/roslyn,HellBrick/roslyn,taylorjonl/roslyn,yjfxfjch/roslyn,oberxon/roslyn,MihaMarkic/roslyn-prank,danielcweber/roslyn,MattWindsor91/roslyn,abock/roslyn,doconnell565/roslyn,russpowers/roslyn,KiloBravoLima/roslyn,dovzhikova/roslyn,rchande/roslyn,budcribar/roslyn,mmitche/roslyn,supriyantomaftuh/roslyn,jhendrixMSFT/roslyn,mmitche/roslyn,tang7526/roslyn,v-codeel/roslyn,mseamari/Stuff,TyOverby/roslyn,lisong521/roslyn,akrisiun/roslyn,RipCurrent/roslyn,zmaruo/roslyn,mattscheffer/roslyn,magicbing/roslyn,genlu/roslyn,hanu412/roslyn,shyamnamboodiripad/roslyn,yeaicc/roslyn,v-codeel/roslyn,GuilhermeSa/roslyn,poizan42/roslyn,AlexisArce/roslyn,evilc0des/roslyn,panopticoncentral/roslyn,VitalyTVA/roslyn,thomaslevesque/roslyn,xasx/roslyn,orthoxerox/roslyn,tvand7093/roslyn,rgani/roslyn,thomaslevesque/roslyn,grianggrai/roslyn,nemec/roslyn,physhi/roslyn,nemec/roslyn,DustinCampbell/roslyn,gafter/roslyn,xoofx/roslyn,a-ctor/roslyn,khyperia/roslyn,CyrusNajmabadi/roslyn,MatthieuMEZIL/roslyn,CyrusNajmabadi/roslyn,agocke/roslyn,HellBrick/roslyn,genlu/roslyn,rgani/roslyn,akrisiun/roslyn,antonssonj/roslyn,Maxwe11/roslyn,Hosch250/roslyn,jaredpar/roslyn,KevinRansom/roslyn,dovzhikova/roslyn,srivatsn/roslyn,RipCurrent/roslyn,michalhosala/roslyn,managed-commons/roslyn,kienct89/roslyn,ValentinRueda/roslyn,eriawan/roslyn,davkean/roslyn,CaptainHayashi/roslyn,russpowers/roslyn,xasx/roslyn,OmarTawfik/roslyn,jroggeman/roslyn,thomaslevesque/roslyn,paulvanbrenk/roslyn,leppie/roslyn,MattWindsor91/roslyn,KirillOsenkov/roslyn,mgoertz-msft/roslyn,reaction1989/roslyn,oberxon/roslyn,mgoertz-msft/roslyn,jeremymeng/roslyn,AnthonyDGreen/roslyn,jhendrixMSFT/roslyn,ljw1004/roslyn,jaredpar/roslyn,chenxizhang/roslyn,nagyistoce/roslyn,heejaechang/roslyn,sharwell/roslyn,dotnet/roslyn,KevinRansom/roslyn,drognanar/roslyn,CyrusNajmabadi/roslyn,swaroop-sridhar/roslyn,chenxizhang/roslyn,danielcweber/roslyn,jeffanders/roslyn,AmadeusW/roslyn,mattscheffer/roslyn,VitalyTVA/roslyn,kelltrick/roslyn,cston/roslyn,pdelvo/roslyn,AlexisArce/roslyn,jroggeman/roslyn,jcouv/roslyn,tannergooding/roslyn,VPashkov/roslyn,mmitche/roslyn,VSadov/roslyn,magicbing/roslyn,aanshibudhiraja/Roslyn,devharis/roslyn,oocx/roslyn,tvand7093/roslyn,tmeschter/roslyn,agocke/roslyn,reaction1989/roslyn,v-codeel/roslyn,robinsedlaczek/roslyn,diryboy/roslyn,enginekit/roslyn,swaroop-sridhar/roslyn,Shiney/roslyn,tmat/roslyn,kienct89/roslyn,MichalStrehovsky/roslyn,basoundr/roslyn,jeffanders/roslyn,nemec/roslyn,xoofx/roslyn,KiloBravoLima/roslyn,OmarTawfik/roslyn,shyamnamboodiripad/roslyn,dpoeschl/roslyn,genlu/roslyn,tannergooding/roslyn,VPashkov/roslyn,jbhensley/roslyn,mavasani/roslyn,jasonmalinowski/roslyn,DustinCampbell/roslyn,drognanar/roslyn,Pvlerick/roslyn,kienct89/roslyn,nguerrera/roslyn,jhendrixMSFT/roslyn,leppie/roslyn,aanshibudhiraja/Roslyn,natgla/roslyn,khellang/roslyn,lisong521/roslyn,3F/roslyn,tmeschter/roslyn,tmeschter/roslyn,natgla/roslyn,yjfxfjch/roslyn,jeffanders/roslyn,jkotas/roslyn,YOTOV-LIMITED/roslyn,chenxizhang/roslyn,davkean/roslyn,OmarTawfik/roslyn,mattwar/roslyn,zmaruo/roslyn,VPashkov/roslyn,sharadagrawal/Roslyn,Giftednewt/roslyn,lorcanmooney/roslyn,3F/roslyn,dovzhikova/roslyn,vslsnap/roslyn,lisong521/roslyn,aelij/roslyn,krishnarajbb/roslyn,KirillOsenkov/roslyn,huoxudong125/roslyn,ericfe-ms/roslyn,jeremymeng/roslyn,bartdesmet/roslyn