Update vmware/govmomi vendor: add vapi package

Zones implementation for vSphere cloud provider needs dependencies
which are not included in current vmware/govmomi vendor. So this
update added "vapi" package to support zones.

vendor/github.com/vmware/govmomi/simulator/task.go

@@ -55,18 +55,19 @@ func CreateTask(e mo.Reference, name string, run func(*Task) (types.AnyType, typ
 		Execute: run,
 	}
 
-	Map.Put(task)
-
+	task.Self = Map.newReference(task)
 	task.Info.Key = task.Self.Value
 	task.Info.Task = task.Self
 	task.Info.Name = ucFirst(name)
 	task.Info.DescriptionId = fmt.Sprintf("%s.%s", ref.Type, id)
 	task.Info.Entity = &ref
 	task.Info.EntityName = ref.Value
-
+	task.Info.Reason = &types.TaskReasonUser{UserName: "vcsim"} // TODO: Context.Session.User
 	task.Info.QueueTime = time.Now()
 	task.Info.State = types.TaskInfoStateQueued
 
+	Map.Put(task)
+
 	return task
 }
 
@@ -78,25 +79,31 @@ type TaskRunner interface {
 
 func (t *Task) Run() types.ManagedObjectReference {
 	now := time.Now()
-	t.Info.StartTime = &now
 
-	t.Info.State = types.TaskInfoStateRunning
+	Map.Update(t, []types.PropertyChange{
+		{Name: "info.startTime", Val: now},
+		{Name: "info.state", Val: types.TaskInfoStateRunning},
+	})
 
 	res, err := t.Execute(t)
-
-	now = time.Now()
-	t.Info.CompleteTime = &now
-
+	state := types.TaskInfoStateSuccess
+	var fault interface{}
 	if err != nil {
-		t.Info.State = types.TaskInfoStateError
-		t.Info.Error = &types.LocalizedMethodFault{
+		state = types.TaskInfoStateError
+		fault = types.LocalizedMethodFault{
 			Fault:            err,
 			LocalizedMessage: fmt.Sprintf("%T", err),
 		}
-	} else {
-		t.Info.Result = res
-		t.Info.State = types.TaskInfoStateSuccess
 	}
 
+	now = time.Now()
+
+	Map.Update(t, []types.PropertyChange{
+		{Name: "info.completeTime", Val: now},
+		{Name: "info.state", Val: state},
+		{Name: "info.result", Val: res},
+		{Name: "info.error", Val: fault},
+	})
+
 	return t.Self
 }