How can I position my actionbar list navigation on the right side?

This image demonstrats what I need to do. I need the dropdown menu to always stay on the left next to the overflow menu icon

How can i do this?

My styles.xml

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

    <!-- Variation on the Holo Light theme that styles the Action Bar -->
    <style name="Theme.AndroidDevelopers" parent="Theme.Sherlock.Light">
        <item name="android:actionBarItemBackground">@drawable/ad_selectable_background</item>
        <item name="actionBarItemBackground">@drawable/ad_selectable_background</item>
        <item name="android:popupMenuStyle">@style/MyPopupMenu</item>
        <item name="popupMenuStyle">@style/MyPopupMenu</item>
        <item name="android:dropDownListViewStyle">@style/MyDropDownListView</item>
        <item name="dropDownListViewStyle">@style/MyDropDownListView</item>
        <item name="android:actionBarTabStyle">@style/MyActionBarTabStyle</item>
        <item name="actionBarTabStyle">@style/MyActionBarTabStyle</item>
        <item name="android:actionDropDownStyle">@style/MyDropDownNav</item>
        <item name="actionDropDownStyle">@style/MyDropDownNav</item>
        <item name="android:listChoiceIndicatorMultiple">@drawable/ad_btn_check_holo_light</item>
        <item name="android:listChoiceIndicatorSingle">@drawable/ad_btn_radio_holo_light</item>

        <!-- <item name="android:actionOverflowButtonStyle">@style/MyOverflowButton</item> -->
    </style>

    <!-- style the overflow menu -->
    <style name="MyPopupMenu" parent="Widget.Sherlock.Light.PopupMenu">
        <item name="android:popupBackground">@dr