tachiyomi/app/src/main/res/menu/library_selection.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:id="@+id/action_move_to_category"
          android:title="@string/action_move_category"
          android:icon="@drawable/ic_label_white_24dp"
          app:showAsAction="ifRoom"/>

    <item android:id="@+id/action_delete"
          android:title="@string/action_remove"
          android:icon="@drawable/ic_delete_white_24dp"
          app:showAsAction="ifRoom"/>

    <item android:id="@+id/action_select_all"
        android:title="@string/action_select_all"
        android:icon="@drawable/ic_select_all_white_24dp"
        app:showAsAction="ifRoom"/>

    <item
        android:id="@+id/action_migrate"
        android:icon="@drawable/ic_swap_calls_white_24dp"
        android:title="@string/label_migration"
        app:showAsAction="ifRoom" />

    <item
        android:id="@+id/action_move_manga"
        android:icon="@drawable/ic_swap_vert_white_24dp"
        android:title="@string/action_move"
        app:showAsAction="ifRoom"
        >
        <menu >
            <item
                android:id="@+id/action_to_top"
                android:title="@string/action_move_to_top" />
            <item
                android:id="@+id/action_to_bottom"
                android:title="@string/action_move_to_bottom" />
        </menu>
    </item>

    <item
        android:id="@+id/action_hide_title"
        android:title="@string/action_hide_title"
        app:showAsAction="never" />

</menu>