[Android] Write contacts

[paintedbicycle]

iOS currently allows you to add and update contacts, but this is not possible on Android.

1. Step one would be getting basic adding/updating of contacts goings including all fields (name, email, phone, postal addresses)

2. Step two would be to reformat the Android postal address to return in the correct format. See [Android] Output multiline formatted address in Android 8+ #52

Write permissions would need to be added here