Display vibrate icon in volume menu

When a tablet is in vibrate mode, the notification
volume icon in the volume menu should be vibrate
and not silent.

Bug 7235006

Change-Id: I460a579a7796f8fb2cac8ff581a98f23e57d1bb0
diff --git a/src/com/android/settings/RingerVolumePreference.java b/src/com/android/settings/RingerVolumePreference.java
index 954213d..56393e0 100644
--- a/src/com/android/settings/RingerVolumePreference.java
+++ b/src/com/android/settings/RingerVolumePreference.java
@@ -115,7 +115,8 @@
             boolean muted = mAudioManager.isStreamMute(streamType);
 
             if (mCheckBoxes[i] != null) {
-                if ((streamType == AudioManager.STREAM_RING) &&
+                if (((streamType == AudioManager.STREAM_RING) ||
+                        (streamType == AudioManager.STREAM_NOTIFICATION)) &&
                         (mAudioManager.getRingerMode() == AudioManager.RINGER_MODE_VIBRATE)) {
                     mCheckBoxes[i].setImageResource(
                             com.android.internal.R.drawable.ic_audio_ring_notif_vibrate);