Now works with Oculus rendering.
Now works with Oculus rendering.

Seems I have to do the culling inside onDrawEyeView().  Otherwise, weird
stuff happens.  Not sure why.  At least make sure to do it only once and
just before rendering the left eye.

liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf