Hide unused recylerview to not confuse talkback.

Fixes: 31088913
Change-Id: I1394cec881d8a1944004a69bc787e5341f8c9ddc

src/com/android/settings/print/PrintServiceSettingsFragment.java

@@ -173,6 +173,7 @@ public class PrintServiceSettingsFragment extends SettingsPreferenceFragment
         super.onViewCreated(view, savedInstanceState);
         initComponents();
         updateUiForArguments();
+        getListView().setVisibility(View.GONE);
         getBackupListView().setVisibility(View.VISIBLE);
     }