TrackingData constructor Null safety

1. face_sdk
2. face_sdk
3. TrackingData
4. TrackingData constructor

TrackingData class

1. Constructors
2. TrackingData
3. Properties
4. hashCode
5. runtimeType
6. sti_person_outdated_callback_data
7. template_created_callback_data
8. tracking_callback_data
9. tracking_lost_callback_data
10. tracking_match_found_callback_data
11. Methods
12. noSuchMethod
13. toString
14. Operators
15. operator ==