session-android/res/menu/conversation.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto">

    <item android:title="@string/conversation__menu_view_all_media"
          android:id="@+id/menu_view_media" />

    <!-- <item android:title="@string/conversation__menu_conversation_settings"
          android:id="@+id/menu_conversation_settings"/> -->

    <item android:title="@string/SearchToolbar_search"
          android:id="@+id/menu_search"
          app:actionViewClass="android.support.v7.widget.SearchView"
          app:showAsAction="collapseActionView"/>

    <item android:title="@string/conversation__menu_add_shortcut"
          android:id="@+id/menu_add_shortcut"/>

</menu>