Updating BuildTools from 2.1.3-rtm-15845 to 2.1.3-rtm-15846
Updating BuildTools from 2.1.3-rtm-15845 to 2.1.3-rtm-15846

[auto-updated: buildtools]

aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore