Fix manager delegates notify developers of nil -> nil
Fix manager delegates notify developers of nil -> nil

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