UE4 Oculus Plugin's GetBoundaryGeometry3 no longer works (so GetPlayAreaTransform no longer works).

I suspect this might be a bug that was introduced in OculusClient v38.  I've tested the beta channel's v39 and it is also impacted. 

To reproduce the bug, take any UE4 project from the last Oculus UE4 4.27 branch that uses the Oculus plugin, add a call to UOculusFunctionLibrary::GetPlayAreaTransform and observe that the returned translation (if it returns) isn't correct.

My project has a lot of fast action and to avoid injury or boundary grids from showing up it has specific UX elements intended to help keep players centered in their play area.  These elements are key to the experience and so I need this API to function correctly.  If this function is intended to be deprecated I need to know so that I can do the work to figure out how my project is going to function without it.