Re-enable mono CI build
Re-enable mono CI build
brettfo/roslyn,heejaechang/roslyn,wvdd007/roslyn,jasonmalinowski/roslyn,sharwell/roslyn,heejaechang/roslyn,reaction1989/roslyn,KirillOsenkov/roslyn,jasonmalinowski/roslyn,ErikSchierboom/roslyn,davkean/roslyn,eriawan/roslyn,mgoertz-msft/roslyn,aelij/roslyn,stephentoub/roslyn,physhi/roslyn,AlekseyTs/roslyn,panopticoncentral/roslyn,mavasani/roslyn,KirillOsenkov/roslyn,AmadeusW/roslyn,KevinRansom/roslyn,jmarolf/roslyn,mgoertz-msft/roslyn,mgoertz-msft/roslyn,shyamnamboodiripad/roslyn,gafter/roslyn,VSadov/roslyn,CyrusNajmabadi/roslyn,weltkante/roslyn,AmadeusW/roslyn,eriawan/roslyn,stephentoub/roslyn,swaroop-sridhar/roslyn,davkean/roslyn,wvdd007/roslyn,abock/roslyn,tmat/roslyn,tannergooding/roslyn,bartdesmet/roslyn,sharwell/roslyn,gafter/roslyn,jmarolf/roslyn,shyamnamboodiripad/roslyn,dotnet/roslyn,weltkante/roslyn,brettfo/roslyn,genlu/roslyn,KevinRansom/roslyn,swaroop-sridhar/roslyn,nguerrera/roslyn,jasonmalinowski/roslyn,gafter/roslyn,abock/roslyn,CyrusNajmabadi/roslyn,MichalStrehovsky/roslyn,dotnet/roslyn,mavasani/roslyn,AlekseyTs/roslyn,agocke/roslyn,abock/roslyn,shyamnamboodiripad/roslyn,mavasani/roslyn,reaction1989/roslyn,CyrusNajmabadi/roslyn,brettfo/roslyn,stephentoub/roslyn,reaction1989/roslyn,aelij/roslyn,agocke/roslyn,diryboy/roslyn,genlu/roslyn,nguerrera/roslyn,panopticoncentral/roslyn,agocke/roslyn,physhi/roslyn,nguerrera/roslyn,KirillOsenkov/roslyn,wvdd007/roslyn,tannergooding/roslyn,AlekseyTs/roslyn,heejaechang/roslyn,tmat/roslyn,MichalStrehovsky/roslyn,VSadov/roslyn,physhi/roslyn,dotnet/roslyn,VSadov/roslyn,davkean/roslyn,jmarolf/roslyn,diryboy/roslyn,tannergooding/roslyn,ErikSchierboom/roslyn,bartdesmet/roslyn,genlu/roslyn,swaroop-sridhar/roslyn,aelij/roslyn,panopticoncentral/roslyn,eriawan/roslyn,weltkante/roslyn,AmadeusW/roslyn,sharwell/roslyn,diryboy/roslyn,KevinRansom/roslyn,tmat/roslyn,ErikSchierboom/roslyn,bartdesmet/roslyn,MichalStrehovsky/roslyn