Creates a SystemNDManager interface

[zachgk]

trafficstars

fixes #1886

This creates an interface for SystemNDManagers. That way, the behavior of skipping over various functions can be moved to the BaseNDManager instead of each individual SystemManager

[frankfliu]

I'm actually not sure if this is better than override in each SystemNDManager.

In each methods to check instanceof seems odd to me.

[zachgk]

It may be a bit odd, but it makes it far easier to implement the NDManager API and to do it correctly. I noticed at least a few engines that were missing some overloads when I was doing this. So, it seems like trying to remember every overload in every engine may be too error prone to rely on

[frankfliu]

Do we need update lightGBM?