PulseAudio switch-on-connect and device-manager modules

[Nate Graham]

---- On Wed, 21 Mar 2018 10:27:50 -0700 David Edmundson<david at davidedmundson.co.uk> wrote ---- 
 > In the current state when in "automatic mode", the device preference is still visible but you now only see one entry in the audio playback device preference column. So at least there's some indication.
 > 
 > That part is definitely not ideal, merging the phonon and PlasmaPA kcms is something I want to see happen as they have overlapping tasks at different levels in the stack. 

Agreed. Looks like this is our path forward. Merging these KCMs and making that UI more obvious also lines up well with both https://phabricator.kde.org/project/view/254/ and https://phabricator.kde.org/T6831

Do we have a task or a bug tracking this work?

Nate