Fix controller packet loss when zeroing analog sticks on OSC

app/src/main/java/com/limelight/binding/input/virtual_controller/AnalogStick.java

@@ -338,6 +338,16 @@ public class AnalogStick extends VirtualControllerElement {
         } else {
             stick_state = STICK_STATE.NO_MOVEMENT;
             notifyOnRevoke();
+
+            // HACK: We can sometimes generate back-to-back controller events
+            // that cause GFE to drop newer data. Dropping zeroing events would
+            // be disastrous because we may not get a follow-up joystick event to
+            // correct the dropped zeroing packet. Delay 5 ms when raising the
+            // analog stick to ensure this doesn't happen.
+            try {
+                Thread.sleep(5);
+            } catch (InterruptedException e) {}
+
             // not longer pressed reset analog stick
             notifyOnMovement(0, 0);
         }