* Add focus detector to CupertinoSwitch
* Add comment
* Remove whitespace
* Add focusColor constructor to CupertinoSwitch
* Remove whitespace
* Add color type
* Remove gap in border
* Adjust color and line thickness
This change updates the platform runners in the benchmarks subdir.
I've attempted to replace the entire group with new code as if the project were recreated with flutter create so that they don't become a Frankenstein of minor changes to make it work again, but just plain old generated code that can be replaced and updated in place.