Support for MATLAB 2019b: remove use of undocumented syntax to restrict property values

[joschaschmiedt]

Warning: Class 'JSXSpinner' uses an undocumented syntax to restrict property values. Use <a href="matlab: helpview ([docroot
'/matlab/matlab_oop/matlab_oop.map'],'CA_VTPOD')">property validation</a> syntax instead. This warning will become an error in a future release. 
> In MSJavaObjects/mCreateJavaNumberSpinners (line 97)
  In MSJavaObjects/mAddJavaSwingObjects (line 29)
  In MainScreen (line 112)
  In MainScreen.launch (line 91)
  In runCore (line 48) 

Warning: Class 'State' uses an undocumented syntax to restrict property values. Use <a href="matlab: helpview ([docroot
'/matlab/matlab_oop/matlab_oop.map'],'CA_VTPOD')">property validation</a> syntax instead. This warning will become an error in a future release. 
> In exampleDetectTask (line 44)
  In run (line 91)
  In SGLSessionArc.mEvalTrialScript (line 214)
  In SGLSessionArc/mRunSession (line 107)