Improve homeAsUpIcon used in ActionBarContextView

<?xml version="1.0" encoding="utf-8"?>

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<bitmap xmlns:android="http://schemas.android.com/apk/res/android"

    android:src="@drawable/ic_close_dk"

    android:autoMirrored="true"

    android:tint="@android:color/black" />

 No newline at end of file

        <item name="android:homeAsUpIndicator">@drawable/ic_back_arrow</item>

        <!-- Style for the overflow button in the actionbar. -->

        <item name="android:actionOverflowButtonStyle">@style/ContactsActionBarOverflowQP</item>

        <item name="android:actionModeCloseDrawable">@drawable/ic_close_lt</item>

        <item name="android:fastScrollThumbDrawable">@drawable/fastscroll_thumb</item>

        <item name="android:textColorPrimary">@color/primary_text_color</item>

        <item name="android:textColorSecondary">@color/secondary_text_color</item>