Gear VR Touchpad input broken

Gear VR Touchpad input no longer functioning in 4.20

Noticed this appearing in 4.20 logs from device (did not appear in 4.19 logs):
LogOcInput: Get touchpad main with data 0.000000 0.000000

Also tested in Main CL #4235929

1. Create a GearVR project with InputTouch node or download example project from https://docs.unrealengine.com/en-us/Platforms/GearVR/HowTo/HMDTouchPad
2. Optional: Print debug string on InputTouch pressed
3. Setup osig and launch / deploy to phone ( [Link Removed] )
4. Place phone in Gear VR and attempt to use touchpad

Result: No touchpad input received