Merge pull request dotnet/coreclr#15288 from wtgodbe/Crossgen
authorWilliam Godbe <wigodbe@microsoft.com>
Wed, 29 Nov 2017 23:43:34 +0000 (15:43 -0800)
committerGitHub <noreply@github.com>
Wed, 29 Nov 2017 23:43:34 +0000 (15:43 -0800)
Ensure CoreCLR Package version overwrite works correctly in test build

Commit migrated from https://github.com/dotnet/coreclr/commit/4ca4c7112a2b213a5fe62baeee5077ef933b0752


Trivial merge