Create a new list when building suggestion data.

- using sublist of the original suggestions list may results in
ConcurrentModificationException if the originaly list is being modified.
Create a new list instead to avoid running into the issue.

Change-Id: Ia83a0432be542eeb428d177f6118d26fc2262e93
Fixes: 74194336
Test: run monkey

src/com/android/settings/dashboard/DashboardAdapter.java

@@ -155,8 +155,8 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
             // remain as the dashboard item. Need to refresh the dashboard list.
             setSuggestions(null);
         } else {
-            mSuggestionAdapter.removeSuggestion(suggestion);
-            notifyItemChanged(0, null);
+            list.remove(suggestion);
+            setSuggestions(list);
         }
     }