When a tablet gets old, it can often become nothing more than an expensive coaster. That doubly true of Android tablets, which run the gamut from premium to ultra budget in quality. Once they can no longer reliably run modern apps, Android tablets have few paths forward. They may be handy as e readers or smart home control panels, but frankly you can probably find better ways to accomplish those tasks. But one unexpected use for an Android tablet is as a head unit for Android Auto, using it to...