OPSAPS-6728. Improve client documentation on ApiCommand.wait()
OPSAPS-6728. Improve client documentation on ApiCommand.wait()

cdapio/cm_api,cdapio/cm_api,cdapio/cm_api,cloudera/cm_api,justinhayes/cm_api,cloudera/cm_api,cloudera/cm_api,justinhayes/cm_api,cdapio/cm_api,justinhayes/cm_api