Splits vision and game state messages

[barulicm]

Preparation for the upcoming state tracking architectural changes.

We've been abusing some of the common message types to serve both vision output and gameplay state purposes. This PR splits those messages into distinct types, prefixed with VisionState and GameState.

This PR is primarily full of type name changes. There will almost certainly be changes to the fields in some of these messages, but we'll save those for later work.

I've also taken this opportunity to move ateam_vision_filter and ateam_field_manager to the new state_tracking folder. This folder will eventually hold the new game state tracking package as well.