Improve pinching accuracy (fixes #4689)#4691

Merged

dmarcos merged 4 commits intoaframevr:masterfrom

cesmoak:improve-pinching

Oct 5, 2020

Commits on Sep 30, 2020

Commits on Oct 3, 2020

Remove configurable pinch distance properties
cesmoak
committed

Commits on Oct 4, 2020

Extract pinch gesture constants
cesmoak
committed