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

Conflicts:
	core/java/android/provider/Settings.java
	core/res/res/values/slim_symbols.xml
Frameworks: Recent Apps Clear All Button Location [2/2]

Allows the user to select if the want the Recent Apps Clear All Button on the left or right side of the screen.

PatchSet:
- fix gravity

PatchSet:
- fix gravity again
- fix wrong spacing
- small cleanup

Change-Id: I815b8ed5c702c925da01a4f8c7080d9ff365e1ff
PS: THIS COMMIT ALSO CONTAINS A BUNCH OF EARLY FIXES MADE BY KUFIKUGEL.

Conflicts:

	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout-land/status_bar_recent_panel.xml
	packages/SystemUI/res/layout/status_bar_recent_panel.xml
	packages/SystemUI/res/layout/system_bar_recent_panel.xml
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java