Merge pull request dotnet/core-setup#3327 from dotnet-maestro-bot/master-UpdateDepend...
authorWes Haggard <weshaggard@users.noreply.github.com>
Fri, 20 Oct 2017 17:02:03 +0000 (10:02 -0700)
committerGitHub <noreply@github.com>
Fri, 20 Oct 2017 17:02:03 +0000 (10:02 -0700)
Update BuildTools, CoreClr, CoreFx, Standard, WCF to prerelease-02120-03, preview1-25820-01, preview1-25820-02, preview1-25820-01, preview2-25819-02, respectively (master)

Commit migrated from https://github.com/dotnet/core-setup/commit/34a8cf5364d64e59a35656ecf2f14eac9b99059f


Trivial merge