v0.9.0: fixed lingering taps when using gestures on Android 11

SPD-classes/src/main/java/com/watabou/input/PointerEvent.java

@@ -101,4 +101,13 @@ public class PointerEvent {
 		}
 		pointerEvents.clear();
 	}
+
+	public static synchronized void clearPointerEvents(){
+		pointerEvents.clear();
+		for (PointerEvent p : activePointers.values()){
+			p.current = p.start = new PointF(-1, -1);
+			pointerSignal.dispatch(p.up());
+		}
+		activePointers.clear();
+	}
 }