Issue 3371080: fix VolumePanel in mute state
Issue 3371080: fix VolumePanel in mute state

VolumePanel must take stream mute state into account before displaying
the update stream volume.

Change-Id: I03a1697c25fca3fa56f892e3d426d00906abeb79

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base