[Merge] lp:~andreas-pokorny/powerd/blank-on-proximity-powerstate into lp:powerd

[Andreas Pokorny]

Andreas Pokorny has proposed merging lp:~andreas-pokorny/powerd/blank-on-proximity-powerstate into lp:powerd.

Commit message:
Adds another power state: active + blank display on proximity

This state can now be requested by telepathy-ofono during a call to blank on proximity depending on the used audio outputs. Since now proximity handling is requested externally the builtin handling ofono voice calls is removed.


Requested reviews:
  Ubuntu Phablet Team (phablet-team)
Related bugs:
  Bug #1353560 in powerd: "Don't black screen when on call with speakerphone"
  https://bugs.launchpad.net/powerd/+bug/1353560
  Bug #1367341 in powerd: "proximity sensor blanks screen when dialer is not active app"
  https://bugs.launchpad.net/powerd/+bug/1367341

For more details, see:
https://code.launchpad.net/~andreas-pokorny/powerd/blank-on-proximity-powerstate/+merge/235356

This change deactivates the builtin proximity handling during calls, and lets an external requester deactivate and activate proximity using a new power state.
-- 
https://code.launchpad.net/~andreas-pokorny/powerd/blank-on-proximity-powerstate/+merge/235356
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~andreas-pokorny/powerd/blank-on-proximity-powerstate into lp:powerd.
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