Merge pull request dotnet/coreclr#12379 from dotnet-maestro-bot/master-UpdateDependencies
authorWes Haggard <weshaggard@users.noreply.github.com>
Wed, 21 Jun 2017 16:19:46 +0000 (09:19 -0700)
committerGitHub <noreply@github.com>
Wed, 21 Jun 2017 16:19:46 +0000 (09:19 -0700)
Update CoreClr, CoreFx to preview1-25421-01, preview1-25421-02, respectively (master)

Commit migrated from https://github.com/dotnet/coreclr/commit/939af8b02b971e3204f7500e369140a42ad14026


Trivial merge