Add documentation around the reason there is an SDLProxy property on SDLManager
Add documentation around the reason there is an SDLProxy property on SDLManager

APCVSRepo/sdl_ios,davidswi/sdl_ios,FordDev/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,kshala-ford/sdl_ios,kshala-ford/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,FordDev/sdl_ios,kshala-ford/sdl_ios,kshala-ford/sdl_ios,kshala-ford/sdl_ios,FordDev/sdl_ios,APCVSRepo/sdl_ios,davidswi/sdl_ios,FordDev/sdl_ios,smartdevicelink/sdl_ios,davidswi/sdl_ios,smartdevicelink/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,FordDev/sdl_ios,davidswi/sdl_ios,davidswi/sdl_ios