ProximityWake : Add support for checking proximity when waking device

Change-Id: Ia5ff446d88435773acccc7467e66009000dc20cb

Be sure to shutdown the proximity sensor after display wake

This fixes:
http://review.cyanogenmod.org/#/c/66657/

Change-Id: I1768f13cb48c3e056d0e137642690fc3d650c4ab

PowerManager : Make proximity check opt-in

Change-Id: I7cf64a82530da2e655018e43683ba7a5584d54f8

Framework : Fix proximity wakeup reference

Change-Id: Ia40ca6fbf6e37fbb3996f2384f725c30b88c2131

[1/2] Frameworks: let InCallUI handle proximity sensor for incoming calls

Fixes "while 'prevent accidental wake-up' is on, proximity sensor
doesn't control screen state on incoming call. Must manually
turn on screen to see who's calling."

Change-Id: I738b3bbd328992c8a8010a0c8d9aa1e444cfa9f9

power: Fix locking for wakeup proximity check

 * Often I'm noticing high power consumption due to the proximity sensor
   never turning off. Add synchronization around this code to ensure
   ordering.

Change-Id: I8ccf3152166cd896e0ce2551c01b8ac8f501d782

add config for proximity check on screen on default value

Change-Id: I7e6ae08e23ee147a37986aa6aa9b3176b301a09e

Services : Ensure proximity check is taken into consideration

Only do the proximity check if explicitly being asked to do so.
This is a patch that was never ported from cm-11.0 :
2293e60c

issue-id: CYNGNOS-1223

Change-Id: Id1be619e638de6a45252d8390eab6e38bd5de5a7

services: button brightness should check proximity

Change-Id: I10a72fa6d8b520e86cfef3d7ded489fd7fa936d2