Merge pull request dotnet/core-setup#3654 from dotnet-maestro-bot/master-UpdateDepend...
authorEric Erhardt <eric.erhardt@microsoft.com>
Fri, 2 Feb 2018 14:13:20 +0000 (08:13 -0600)
committerGitHub <noreply@github.com>
Fri, 2 Feb 2018 14:13:20 +0000 (08:13 -0600)
Update BuildTools, CoreClr, CoreFx to preview2-02431-02, preview2-26131-05, preview2-26131-01, respectively (master)

Commit migrated from https://github.com/dotnet/core-setup/commit/b88f0bedcfdc62019f3e10ea977f7e5e556bc3b4


Trivial merge