Frameworks: Policy: implement a pin keypad shuffler [1/2]

this is to further prevent people using the tablet guessing your pin based on fingerprints left on the screen
example of the expected outcome - https://www.dropbox.com/sh/r3xb2q53ksaqni9/Oz1Eu8Dm7O

- correct coding style
- added reload button

PatchSet:
- simplify shuffle code
- fix over shifting in some cases
- add reload button functionallity
- add lockscreenutils method to detect only PIN lock
  for settings
- exclude sim and simpuk PIN lock
- add drawables for reload button

PatchSet
- cleanup

PatchSet:
- fix shuffle NumKeyPad even if a theme replaces the xml
  and reload button is not present.

PatchSet:
- add mode disabled/always/on request

cheers

kufi

Change-Id: I6471a531b71fafb900a185f0f96c6188d1f2caa7
Active display: Allow apps to be excluded from being displayed [1/2]

This has been a highly requested feature so I guess it's about time
we implement it :).

Change-Id: I5c334833b78325733ae076c07afccebb02758ead
Fix compilation for non QCOM hardware after 'Enhance face detection' commit

Change-Id: I337a7a2e8b124aac76f52abcc0edd8af9b0b0e29
MediaRecorder: add pause interface

--add pause in java level
--add pause in jni level

Change-Id: I7f2d5d5ebb97716458b55a5780fd6cc3d09e9f11
Cleanup and improve ringer tile code.

Handle absence of vibrator properly by excluding the respective modes
from the selection in that case.

Change-Id: I63d1fc06cbbcadadff51866b929dde453f4eb4bd
Frameworks : Fix face detection

I337a7a2e8b124aac76f52abcc0edd8af9b0b0e29 introduced
the ifdef's at the wrong location. This patchset addresses it.

Change-Id: I6b19fb96076bdc62b2ca57d1ccaf97f0cb901d67