Enable SourceBranch to be passed from the pipeline parameters
authorJC Aguilera <juanam@microsoft.com>
Wed, 28 Jun 2017 20:45:47 +0000 (13:45 -0700)
committerGitHub <noreply@github.com>
Wed, 28 Jun 2017 20:45:47 +0000 (13:45 -0700)
Enable SourceBranch to be passed from the pipeline parameters

Commit migrated from https://github.com/dotnet/coreclr/commit/7ba62129cd7ab7604f7e9ae4a116853a828b5c7f


Trivial merge