ProximityWake : Add support for checking proximity when waking device

Change-Id: Ia5ff446d88435773acccc7467e66009000dc20cb
Framework : Fix proximity wakeup reference

Change-Id: Ia40ca6fbf6e37fbb3996f2384f725c30b88c2131
Revert "(1/2) Framework changes for moving applications to external volume"

we dont use it for any devices

This reverts commit fec3a470b49a7632079b9be30e505b7f9b0f851a.

Change-Id: I2ec904954bdaa9b4b406485ce06bf3f432f30072
Merge remote-tracking branch 'upstream/android-4.4' into android-4.4