* Implement some calls of ISelfController
This PR implement some calls of ISelfController:
- EnterFatalSection
- LeaveFatalSection
- GetAccumulatedSuspendedTickValue (close#937)
According to RE of the 8.1.0 am service.
* thread safe increment/decrement
* Fix thread safe
* remove unused using
* Refactoring HOS folder structure
Refactoring HOS folder structure:
- Added some subfolders when needed (Following structure decided in private).
- Added some `Types` folders when needed.
- Little cleanup here and there.
- Add services placeholders for every HOS services (close#766 and #753).
* Remove Types namespaces