[libgdx] Fix events firing during mix out.

#1120
closes #1119

spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java

@@ -166,6 +166,9 @@ public class AnimationState {
 
 		boolean finished = updateMixingFrom(from, delta);
 
+		from.animationLast = from.nextAnimationLast;
+		from.trackLast = from.nextTrackLast;
+
 		// Require mixTime > 0 to ensure the mixing from entry was applied at least once.
 		if (to.mixTime > 0 && (to.mixTime >= to.mixDuration || to.timeScale == 0)) {
 			// Require totalAlpha == 0 to ensure mixing is complete, unless mixDuration == 0 (the transition is a single frame).
@@ -177,8 +180,6 @@ public class AnimationState {
 			return finished;
 		}
 
-		from.animationLast = from.nextAnimationLast;
-		from.trackLast = from.nextTrackLast;
 		from.trackTime += delta * from.timeScale;
 		to.mixTime += delta * to.timeScale;
 		return false;