Merge pull request dotnet/core-setup#3445 from dotnet-maestro-bot/master-UpdateDepend...
authorJC Aguilera <juanam@microsoft.com>
Tue, 21 Nov 2017 22:49:54 +0000 (14:49 -0800)
committerGitHub <noreply@github.com>
Tue, 21 Nov 2017 22:49:54 +0000 (14:49 -0800)
Update BuildTools, CoreClr, CoreFx, WCF to prerelease-02221-02, preview1-25921-02, preview1-25921-04, preview2-25921-02, respectively (master)

Commit migrated from https://github.com/dotnet/core-setup/commit/6fa01ba1015e65d00258e0ba5df5bdc42b34fd84


Trivial merge