Revert "add_host: SDK call update"

After
Id6fad7867102c9e121c4c0ddfb4be7bba43bb9bd
will still rely on SDK from 3.6 since
SDK 4.0 is still under heavy refactoring.
Reverting this to 3.6 status for
compatibility reasons.

This reverts commit b616096.

Bug-Url: https://bugzilla.redhat.com/1318652
Change-Id: I30a02672bdcfa3c1984472594bfc91363122f78f
Signed-off-by: Simone Tiraboschi <stirabos@redhat.com>

src/plugins/ovirt-hosted-engine-setup/engine/add_host.py

@@ -791,7 +791,7 @@ def _closeup(self):
                         id=mgmt_network_id
                     )
                     mgmt_network.set_vlan(
-                        self._ovirtsdk_xml.params.Vlan(id=vlan_id)
+                        self._ovirtsdk_xml.params.VLAN(id=vlan_id)
                     )
                     mgmt_network.update()
                     self._wait_network_vlan_ready(
@@ -823,7 +823,7 @@ def _closeup(self):
                             ohostedcons.NetworkEnv.HOST_NAME
                         ],
                         cluster=cluster,
-                        ssh=self._ovirtsdk_xml.params.Ssh(
+                        ssh=self._ovirtsdk_xml.params.SSH(
                             authentication_method='publickey',
                             port=self.environment[
                                 ohostedcons.NetworkEnv.SSHD_PORT