ar_sys: 1.0.2-2 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `ar_sys` to `1.0.2-2`:

- upstream repository: https://github.com/Sahloul/ar_sys.git
- release repository: https://github.com/Sahloul/ar_sys.git
- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.11`
- previous version for package: `1.0.2-0`

## ar_sys

```
* Update the package to declare its visualization_msgs dependency
* Initial tracks.yaml
* Contributors: Hamdi Sahloul
```