Updating BuildTools from 2.1.3-rtm-15827 to 2.1.3-rtm-15828
Updating BuildTools from 2.1.3-rtm-15827 to 2.1.3-rtm-15828

[auto-updated: buildtools]

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