Merge pull request dotnet/core-setup#4120 from dotnet-maestro-bot/master-UpdateDepend...
authorWes Haggard <weshaggard@users.noreply.github.com>
Thu, 3 May 2018 16:39:33 +0000 (09:39 -0700)
committerGitHub <noreply@github.com>
Thu, 3 May 2018 16:39:33 +0000 (09:39 -0700)
Update CoreClr, CoreFx to preview1-26503-05, preview1-26503-04, respectively (master)

Commit migrated from https://github.com/dotnet/core-setup/commit/b640440f9567f16b9852601850d22833be348236


Trivial merge