Fix accessibility ghosts in quick settings detail

Fixes a bug where the tile that was just clicked on
to go to the detail view would become visible and cause
confusion to accessibility services.

Bug: 20209718
Change-Id: I1678a4fc35e8d739b7c657e868b02a25eddcba1d

packages/SystemUI/src/com/android/systemui/qs/QSPanel.java

@@ -242,6 +242,9 @@ public class QSPanel extends ViewGroup {
     }
 
     private void handleSetTileVisibility(View v, int visibility) {
+        if (visibility == VISIBLE && !mGridContentVisible) {
+            visibility = INVISIBLE;
+        }
         if (visibility == v.getVisibility()) return;
         v.setVisibility(visibility);
     }