res/layout/action_mode.xml

<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/navigation_bar"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >
    <FrameLayout
        android:layout_width="wrap_content"
        android:layout_height="match_parent" >
        <ImageView android:layout_gravity="end|center"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:src="@drawable/expand_more"
            android:tint="@android:color/white" />
        <Button android:id="@+id/selection_menu"
            style="?android:attr/actionButtonStyle"
            android:layout_width="@dimen/action_bar_select_button_width"
            android:layout_height="match_parent"
            android:background="?android:attr/selectableItemBackgroundBorderless"
            android:divider="?android:attr/listDividerAlertDialog"
            android:gravity="center_vertical|left"
            android:paddingEnd="@dimen/action_bar_select_button_padding_end"
            android:singleLine="true"
            android:textAppearance="?android:attr/textAppearanceLargePopupMenu"
            android:textColor="@color/action_bar_select_button_text_color"/>
    </FrameLayout>
</LinearLayout>