sdk: regenerate against the latest api

- added "watchdog" feature #947977
- added "external tasks" feature #872719
- snapshot can persist/restore memory state now #960931
- to cluster.add()/update() added [trusted_service: boolean] property
- to datacenter added new field [comment]
- to disk added [sgio] field to enable|disable filtering for the ScsiGenericIo

Change-Id: Ibe5b140dcef5e14bfdeafb0146f64c564b17097c
Signed-off-by: Michael pasternak <mpastern@redhat.com>