* Move doctor into globals

* Fix tests

* Convert ios_device_logger_test.dart to testWithoutContext

* Remove IMobileDevice from globals, hoist to XCDevice constructor

The Azure bot detection can take up to a second to determine if a client is/isn't a bot. To prevent this from slowing down all flutter commands, we can cache the results in the persistent tool state - since we don't expect the same client id to ever become a bot or stop being a bot

This reverts commit 0a38f29c.

This reverts commit 3aa7a800.