A customer reported an issue of a NPE when initializing secret masker (#2633)
A customer reported an issue of a NPE when initializing secret masker (#2633)

Stack trace of NPE was:
[2019-11-27 01:47:59Z ERR  Program] System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.VisualStudio.Services.Agent.Worker.Worker.InitializeSecretMasker(AgentJobRequestMessage message)
   at Microsoft.VisualStudio.Services.Agent.Worker.Worker.RunAsync(String pipeIn, String pipeOut)
   at Microsoft.VisualStudio.Services.Agent.Worker.Program.MainAsync(IHostContext context, String[] args)
Microsoft/vsts-agent,Microsoft/vsts-agent,Microsoft/vsts-agent,Microsoft/vsts-agent