The enqueue options won't be shown in the dialogs if the Player service is not running. When it's running one item (enqueue stream) will be shown and enqueues the item into the Player type which is currently selected.
Common actions and labels are now in a unique enum: StreamDialogEntry
If an action is not common to every long-press menu (e.g. delete) a custom action has to be provided using e.g. delete.setAction(...)