tree a194bfe19b64ad557e5ec2fe239a6a7cc24da208
parent 4ae5441abdcc629863cc39fec4b708746dc7d3f3
author Frank Barchard <fbarchard@google.com> 1482196920 -0800
committer Frank Barchard <fbarchard@google.com> 1482345028 +0000

media volume --get outputs the current volume

Add --get option to media volume to fetch the specified
stream volume and output it on the console.
Also displays the min and max volume for that stream.

Bug: 33559057
Test: adb shell media volume --stream 3 --get
Change-Id: Icc82ba1349dd75e07ccff4872e104843a69e5f17