[Merge] lp:~rsalveti/ubuntu-touch-session/update_touch_pa_add_voicecall_volume into lp:ubuntu-touch-session

[Oliver Grawert]

Review: Approve

LGTM
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https://code.launchpad.net/~rsalveti/ubuntu-touch-session/update_touch_pa_add_voicecall_volume/+merge/231289
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~rsalveti/ubuntu-touch-session/update_touch_pa_add_voicecall_volume into lp:ubuntu-touch-session.