Replaced exception with more elegant option in Time Settings

Currently, some controllers in the Date and Time settings page throw exceptions if a capability is not known. This would cause the Settings app to crash, so we are moving away from exception and replacing it with the deactivation of the controller.

Test: manual
Flag: EXEMPT refactor
Bug: 296835792
Change-Id: I56b01ec6d9eebf721deeb4f67aa177742482dd53