Merge tag 'android-4.3.1_r1' into HEAD

Android 4.3.1 Release 1

Change-Id: I2331bc7a68904e3f1dde12b33da3bdc937e0220f
Fix for the low processes kept bug

memoryInfo was not initialise properly

Change-Id: I3b1f1fac92a59a0a18b63625b66d33dc24b17086
ChaosLab: Add annotation to be used when adding new features to the lab.

This should be used when adding completely new features to ChameleonOS,
and not for simple things that expand upon a current feature.

Change-Id: I37d7250424967d41ecfb885120627f5397b2f804
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
Add missing strings and symbols