Function fdf_dispatcher_create

pub unsafe extern "C" fn fdf_dispatcher_create(
    options: u32,
    name: *const c_char,
    name_len: usize,
    scheduler_role: *const c_char,
    scheduler_role_len: usize,
    observer: *mut fdf_dispatcher_shutdown_observer_t,
    out_dispatcher: *mut *mut fdf_dispatcher_t,
) -> zx_status_t