Add DriverStationSim.notifyNewData (#1537)

hal/src/main/java/edu/wpi/first/hal/sim/DriverStationSim.java

@@ -75,6 +75,9 @@ public class DriverStationSim {
   public void setDsAttached(boolean dsAttached) {
     DriverStationDataJNI.setDsAttached(dsAttached);
   }
+  public void notifyNewData() {
+    DriverStationDataJNI.notifyNewData();
+  }
 
   public void resetData() {
     DriverStationDataJNI.resetData();

hal/src/main/native/include/simulation/DriverStationSim.h

@@ -103,6 +103,8 @@ class DriverStationSim {
     HALSIM_SetDriverStationDsAttached(dsAttached);
   }
 
+  void NotifyNewData() { HALSIM_NotifyDriverStationNewData(); }
+
   void ResetData() { HALSIM_ResetDriverStationData(); }
 };
 }  // namespace sim