[openvr] Added Linux support and updated to v1.10.30#10629

Merged

dan-shaw merged 4 commits intomicrosoft:masterfrom

makinori:master

Apr 3, 2020

Commits on Mar 31, 2020

Commits on Apr 1, 2020

[openvr] Updated port file with modern variables and better platform checking
makinori
committed
[openvr] Updated ci.baseline.txt as Linux is supported now
makinori
committed