[Merge] lp:~xnox/update-notifier/wait-for-state into lp:update-notifier

[Dmitrijs Ledkovs]

let's not bring in wait-for-state into the mix, and instead start file bridge on started dbus.
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https://code.launchpad.net/~xnox/update-notifier/wait-for-state/+merge/189145
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~xnox/update-notifier/wait-for-state into lp:update-notifier.