[GameController] Updates for Xcode13 beta1#12014

Merged

tj-devel709 merged 3 commits intoxamarin:mainfrom tj-devel709:Xcode13-GameController-beta1

Jun 28, 2021

+122-105

Commits on Jun 24, 2021

Initial changes for xcode13 GameController beta1
tj_devel709
committed
syntax and name change
tj_devel709
committed

Commits on Jun 25, 2021

name change and adding async
tj_devel709
committed