Method update

libs/scrap/src/android/ffi.rs:57–64

(&mut self, data: *mut u8, len: usize)

    }

    fn update(&mut self, data: *mut u8, len: usize) {
        if self.enable.not() {
            return;
        }
        self.len = len;
        self.ptr.store(data, SeqCst);
        self.last_update = Instant::now();
    }

    // take inner data as slice
    // release when success