Turn on DataUsageSummaryActivity

            android:name="Settings$DataUsageSummaryActivity"

            android:label="@string/data_usage_summary_title"

            android:icon="@drawable/ic_settings_data_usage"

            android:enabled="false"

            android:taskAffinity="com.android.settings"

            android:parentActivityName="Settings">

            <intent-filter android:priority="1">