WordPress/src/main/res/layout/theme_browser_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/theme_browser_container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <include
        android:id="@+id/toolbar"
        layout="@layout/toolbar" />

    <include
        android:id="@+id/toolbar_search"
        layout="@layout/toolbar_search" />

</LinearLayout>