Add an opt-in standalone build proxy launcher - #3329

Add an opt-in standalone build proxy launcher#3329

karim-alweheshy wants to merge 3 commits into

build-proxy-manifestMobileNativeFoundation/rules_xcodeproj:build-proxy-manifestfrom

build-proxy-launcher-coreMobileNativeFoundation/rules_xcodeproj:build-proxy-launcher-coreCopy head branch name to clipboard