Merge pull request dotnet/core-setup#5714 from dotnet-maestro-bot/master-UpdateDepend...
authorWilliam Godbe <wigodbe@microsoft.com>
Tue, 9 Apr 2019 16:50:00 +0000 (09:50 -0700)
committerGitHub <noreply@github.com>
Tue, 9 Apr 2019 16:50:00 +0000 (09:50 -0700)
Update BuildTools to preview4-03906-01 (master)

Commit migrated from https://github.com/dotnet/core-setup/commit/81d69a8ee3f6052e210de1428ed4d629cf318778


Trivial merge