Push notifyDataSetChanged invocation into adapter.

That is probably the place most responsible for knowing if the dataset has changed
and broadcasting that fact.

app/src/main/java/org/fdroid/fdroid/AppDetails2.java

@@ -490,7 +490,6 @@ public class AppDetails2 extends AppCompatActivity implements ShareChooserDialog
                 }
                 AppDetailsRecyclerViewAdapter adapter = (AppDetailsRecyclerViewAdapter)mRecyclerView.getAdapter();
                 adapter.updateItems(mApp);
-                adapter.notifyDataSetChanged();
                 supportInvalidateOptionsMenu();
             }
         });

app/src/main/java/org/fdroid/fdroid/views/AppDetailsRecyclerViewAdapter.java

@@ -118,6 +118,8 @@ public class AppDetailsRecyclerViewAdapter
         addItem(VIEWTYPE_LINKS);
         addItem(VIEWTYPE_PERMISSIONS);
         addItem(VIEWTYPE_VERSIONS);
+
+        notifyDataSetChanged();
     }
 
     private void setShowVersions(boolean showVersions) {