AndroidTV: pop search after call

This patch finishes the search activity after a startcall. That prevents
that the user go back to the search activity after his call is
completed.

Change-Id: I203de6da25905780fef77c9dddf1832e1173ab9c

ring-android/app/src/main/java/cx/ring/tv/search/RingSearchFragment.java

@@ -145,6 +145,7 @@ public class RingSearchFragment extends BaseSearchFragment<RingSearchPresenter>
         intent.putExtra("account", accountID);
         intent.putExtra("ringId", number.toString());
         startActivity(intent);
+        getActivity().finish();
     }
 
     private final class ItemViewClickedListener implements OnItemViewClickedListener {