Sensor for Private DNS function on Android

**Is your feature request related to a problem? Please describe.**

When i forget to re enable private DNS function in Android, i'd like homeassistant to know, so I can send a notification.

**Describe the solution you'd like**

Expose, if possible, an optional sensor to HA having as value the state of the private DNS function on my android device. (on/off/private)

**Describe alternatives you've considered, if any**

NA
**Additional context**