Use correct icon for ring volume

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

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     Copyright (C) 2016 The CyanogenMod Project

     Licensed under the Apache License, Version 2.0 (the "License");

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

    android:width="32dp"

    android:height="32dp"

    android:viewportWidth="24"

    android:viewportHeight="24"

    android:tint="?android:attr/colorControlNormal">

    <path

        android:fillColor="@android:color/black"

        android:pathData="M23.71,16.67C20.66,13.78 16.54,12 12,12 7.46,12 3.34,13.78 0.29,16.67c-0.18,0.18 -0.29,0.43 -0.29,0.71 0,0.28 0.11,0.53 0.29,0.71l2.48,2.48c0.18,0.18 0.43,0.29 0.71,0.29 0.27,0 0.52,-0.11 0.7,-0.28 0.79,-0.74 1.69,-1.36 2.66,-1.85 0.33,-0.16 0.56,-0.5 0.56,-0.9v-3.1c1.45,-0.48 3,-0.73 4.6,-0.73s3.15,0.25 4.6,0.72v3.1c0,0.39 0.23,0.74 0.56,0.9 0.98,0.49 1.87,1.12 2.66,1.85 0.18,0.18 0.43,0.28 0.7,0.28 0.28,0 0.53,-0.11 0.71,-0.29l2.48,-2.48c0.18,-0.18 0.29,-0.43 0.29,-0.71 0,-0.27 -0.11,-0.52 -0.29,-0.7zM21.16,6.26l-1.41,-1.41 -3.56,3.55 1.41,1.41s3.45,-3.52 3.56,-3.55zM13,2h-2v5h2V2zM6.4,9.81L7.81,8.4 4.26,4.84 2.84,6.26c0.11,0.03 3.56,3.55 3.56,3.55z" />

</vector>

        <!-- Ring volume -->

        <com.android.settings.notification.VolumeSeekBarPreference

                android:key="ring_volume"

                android:icon="@*android:drawable/ic_audio_ring_notif"

                android:icon="@drawable/ic_audio_ring"

                android:title="@string/ring_volume_option_title" />

        <!-- Media volume -->

                    ? com.android.internal.R.drawable.ic_audio_ring_notif_mute

                    : mRingerMode == AudioManager.RINGER_MODE_VIBRATE || wasRingerModeVibrate()

                    ? com.android.internal.R.drawable.ic_audio_ring_notif_vibrate

                    : com.android.internal.R.drawable.ic_audio_ring_notif);

                    : R.drawable.ic_audio_ring);

        }

    }