public Config getConfigForFactory() {
    return configForFactory;
  }
Use this to access the {@link Config} for building the {@link CoordinatorCommunication}.
Do not use this as the {@link Config} to pass along to the workers. Use {@link #getJobInfoProvider()} for accessing
the job model and config to pass along to workers.
samza-core/src/main/java/org/apache/samza/coordinator/communication/CoordinatorCommunicationContext.java