[API] Add disable HA command.
[API] Add disable HA command.

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