[hal,tests] Use waitForProgramStart in tests (#8429)

Change setProgramStarted to accept a boolean so it can be set back to
false by tests. This allows properly waiting for program start in tests.

hal/src/main/native/systemcore/mockdata/MockHooks.cpp

@@ -10,7 +10,7 @@ void HALSIM_SetRuntimeType(HAL_RuntimeType type) {}
 
 void HALSIM_WaitForProgramStart(void) {}
 
-void HALSIM_SetProgramStarted(void) {}
+void HALSIM_SetProgramStarted(HAL_Bool started) {}
 
 HAL_Bool HALSIM_GetProgramStarted(void) {
   return false;