Steps to reproduce:
1. Download and open the attached project
2. Enter Playmode with HTC Vive connected
3. Touch the trackpad of the right controller
4. Observe logs in the console

Expected result:
KeyDown, X= 0.123... (not 0)
Key, X=0.123...
...
Actual result:
KeyDown, X= 0
Key, X=0
...

Reproduced on 2018.2.0b3, 2018.2.0f2, 2018.3.0a5
Not reproduced on 2018.1.9f1, 2018.2.0b2
Regression introduced in 2018.2.0b3

FIXED 2018.2.5f1, 2018.3.0b4