Rename variables, update comments, etc from `network` to `wireless` to keep it more uniform.

Also, move non-overriden messages related to device selection into the file they're used.

Part 7 in breakdown of https://github.com/flutter/flutter/pull/121262.

Add flag to filter by device connection interface

Update device selection to wait for wireless devices to load

Separate attached and wireless devices

Move target devices logic to its own classes and file