Adding compiler definitions for platforms

[SimonDarksideJ]

XRTK - Mixed Reality Toolkit Pull Request

Overview

Adding compiler definitions for platforms

Related Submodule Changes

• https://github.com/XRTK/ARCore/pull/11
• https://github.com/XRTK/WindowsMixedReality/pull/139
• https://github.com/XRTK/Ultraleap/pull/22
• https://github.com/XRTK/SteamVR/pull/22
• https://github.com/XRTK/SDK/pull/239
• https://github.com/XRTK/Oculus/pull/117
• https://github.com/XRTK/Nreal/pull/16
• https://github.com/XRTK/Lumin/pull/111
• https://github.com/XRTK/Lenovo/pull/10
• https://github.com/XRTK/glTF/pull/9
• https://github.com/XRTK/Etee/pull/9