Fix running prelaunch-simulator from out-of-tree
Fix running prelaunch-simulator from out-of-tree

codyDu/realm-cocoa,duk42111/realm-cocoa,duk42111/realm-cocoa,tenebreux/realm-cocoa,ul7290/realm-cocoa,duk42111/realm-cocoa,ul7290/realm-cocoa,codyDu/realm-cocoa,kylebshr/realm-cocoa,zilaiyedaren/realm-cocoa,codyDu/realm-cocoa,zilaiyedaren/realm-cocoa,codyDu/realm-cocoa,tenebreux/realm-cocoa,kylebshr/realm-cocoa,kylebshr/realm-cocoa,ul7290/realm-cocoa,tenebreux/realm-cocoa,tenebreux/realm-cocoa,codyDu/realm-cocoa,duk42111/realm-cocoa,zilaiyedaren/realm-cocoa,tenebreux/realm-cocoa,ul7290/realm-cocoa,kylebshr/realm-cocoa,kylebshr/realm-cocoa,duk42111/realm-cocoa,zilaiyedaren/realm-cocoa,zilaiyedaren/realm-cocoa,ul7290/realm-cocoa