How to dismiss overflow menu when home button is pressed android?

I am displaying overflow menu list when we click the three dots. When I press home button and again when I launch the app, overflow menu list is still displaying. How to dismiss overflow menu list window?

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        Log.v("RAMKUMARV ONCREATEOPTION", "RAMKUMARV");

        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu_main, menu);

        // Inflate the menu; this adds items to the action bar if it is present.
        //  getMenuInflater().inflate(R.menu.menu_main, menu);
        MenuItem item = menu.findItem(R.id.action_settings);
        item.setVisible(true);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

from How to dismiss overflow menu when home button is pressed android?