Implement calls to the Holographic Percepion API

[david-c-kline]

Shared project\HoloLens\HolographicPerception.cs

[david-c-kline]

Get and Set of api/holographic/simulation/control/mode was added with #147.

What remains is api/holographic/simulation/control/Stream

[david-c-kline]

Remaining API to be implemented is getting the control stream.