Update BuildValidator to exclude refint folders.
Update BuildValidator to exclude refint folders.
KevinRansom/roslyn,jasonmalinowski/roslyn,shyamnamboodiripad/roslyn,weltkante/roslyn,shyamnamboodiripad/roslyn,jasonmalinowski/roslyn,dotnet/roslyn,KevinRansom/roslyn,bartdesmet/roslyn,dotnet/roslyn,bartdesmet/roslyn,shyamnamboodiripad/roslyn,jasonmalinowski/roslyn,CyrusNajmabadi/roslyn,CyrusNajmabadi/roslyn,weltkante/roslyn,weltkante/roslyn,KevinRansom/roslyn,mavasani/roslyn,mavasani/roslyn,dotnet/roslyn,CyrusNajmabadi/roslyn,mavasani/roslyn,bartdesmet/roslyn