Is the Android Search Interface as it is implemented in the Documentation still up-to-date for the new Toolbar which was Introduced in Android 5 with AppCompatActivity and Material Design? Or is this still a solution for the old ActionBar(e.g. from ActionBarActivity)?
To answer your question, no it's not up to date with the new design. But that doesn't mean you can't figure out how to do the task with the new design and toolbar. But no it's not updated.