Fix StandardErrorPath logging to stdout.log (#1233)
Fix StandardErrorPath logging to stdout.log (#1233)

The StandardErrorPath was set to stdout.log it should be set to
something else like stderr.log.
Microsoft/vsts-agent,kasubram/vsts-agent,Microsoft/vsts-agent,kasubram/vsts-agent,kasubram/vsts-agent,Microsoft/vsts-agent,kasubram/vsts-agent,Microsoft/vsts-agent