Make dismiss layout invisible rather than gone

Test: manual 1) have a stack of bubbles, fling to dismiss them
             2) add another bubble
             3) expand the stack
             4) tap on the bubble while stack is expanded => it shouldn't
                fly off the top of the screen
Fixes: 138445026
Change-Id: If09ba2a9f4ce4e5a5441ebea7c2801a68dfe3d59
diff --git a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleDismissView.java b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleDismissView.java
index 3ae2b741..9db371e 100644
--- a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleDismissView.java
+++ b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleDismissView.java
@@ -81,7 +81,7 @@
             // safely assume it was animating out rather than in.
             if (alpha < 0.5f) {
                 // If the alpha spring was animating the view out, set it to GONE when it's done.
-                setVisibility(GONE);
+                setVisibility(INVISIBLE);
             }
         });
     }