ADB over Ethernet

ROOT REQUIRED. AD-FREE EXPERIENCE
Enable ADB over ethernet without need for initial USB connection.
Features:
- uses currently available active network connection: wifi, wired ethernet, ..
- Android TV friendly (dpad nav + enhanced button focus)
- no usb cable required
- autostart on boot

== PERMISSIONS ==
INTERNET: required for viewing help using internal webview since Android TV has no built-in web browser
BILLING: used for IAP donations
RECEIVE_BOOT_COMPLETED : required for autostart on boot