* DI: ViewModel (VDC) injection wiring + example in TestRiskLevelCalculation.kt

* Refactoring the TestRiskLevel fragment to demo our new viewmodel approach. Part1

* Refactoring the TestRiskLevel fragment to demo our new viewmodel approach. Part2

* Fix `Unexpected indentation (expected 4, actual 8)`

* Code fluff

* klint

* Remove empty test + klint

* Rename VDC to CWAViewModel

* Add example unit tests for the TestFragment's ViewModel.

* Revert AppInjector renaming.

* Comments explaining the code.

* Rename class to make it's purpose less confusing.

* Revert "Rename class to make it's purpose less confusing."

This reverts commit c80298bb

* Rename class to make it's purpose less confusing.

* Simpler ViewModel Injection example.

* klint <3

Co-authored-by: Matthias Urhahn <matthias.urhahn@sap.com>