Ignore repeated dismissals for clipboard

Bug: 231612112
Test: manual
Change-Id: Ie2da2d0b899e2a0b96ad241fadfcc9faa6425517

packages/SystemUI/src/com/android/systemui/clipboardoverlay/ClipboardOverlayController.java

@@ -551,6 +551,9 @@ public class ClipboardOverlayController {
     }
 
     private void animateOut() {
+        if (mExitAnimator != null && mExitAnimator.isRunning()) {
+            return;
+        }
         Animator anim = getExitAnimation();
         anim.addListener(new AnimatorListenerAdapter() {
             private boolean mCancelled;