A provisioning app for Android TV

This app can be used by AOSP devices which do not have SetupWraith
to go through the normal user setup process. It marks the device
as provisioned.

Bug: b/70360161
Test: Includes this APK on the ATV GSI image and enable developer mode.
Change-Id: I570e5ba17dafb03ca9b3f3176bb002b908b22cdd