Add Koush's superuser into Settings
Embed Superuser into System Settings
Add preference for enabling root access (3/3)

 * Root over ADB is now disabled by default on non-eng builds
 * Requires support in su binary and adbd
 * Root access can be configured to use ADB only, apps only, or all

Change-Id: I132a35a31c676511db954ff19120fa6d3c795b23
Hide Superuser entry if root access for apps is disabled.

Change-Id: Ibb77ba5a0fccf22564a26b8b1e13f7762c65718e
SECURITY FIX: Fix package uids being reused between uninstall and reinstall of different packages.
Policies for older packages were being granted to the newly installed package that got the recyled uid.

Change-Id: I6c74cf6762e8da10e09d5cf5d94e9f826e47f24d
Merge branch 'jellybean' of https://github.com/XYAOSP/packages_apps_Settings into jellybean