Related to the tracker issue:
- https://github.com/flutter/flutter/issues/128251

This PR migrates the `Usage.command` static method that sent custom dimensions for each command (if applicable). The screenshot below shows the different places where the `usageValues` getter is overwritten to return the necessary custom dimensions for that command.

<img width="285" alt="image" src="https://github.com/flutter/flutter/assets/42216813/e32d5100-0e17-4a4d-8f21-327a8c113a19">