Tom Baird

IME Events are now completely variable sized.

2

IME events now have no cap. This handles a new event that comes from native Unity that has a variable sized IME event. Do not merge until new event is...

Fix XR Tests for 2019.3

4

In 2019.3 Device Role got replaced with InputDeviceCharacteristics. Updated XRTests to use Characteristics when working in 2019.3 or greater.