Settings: use CMHW serial number

See http://review.cyanogenmod.org/57164

Change-Id: If328ca7b487435b88246d1f8c47b04770183f09e
Settings: allow home button to wake device [2/2]

Change-Id: I5c887422636f8bc51cb324339b3cdcac7af54400
[1/2] Settings AppOps: show/hide app type and allow/deny counters

Squash of:

Author: Sam Mortimer <sam@mortimer.me.uk>
Date:   Thu Oct 3 13:51:31 2013 -0700
AppOps: menu options to show/hide user and system apps
Change-Id: Ia55364c361db949a891e4b53a757ee4dff519eb6

Author: Sam Mortimer <sam@mortimer.me.uk>
Author: Danny Baumann <dannybaumann@web.de>
Date:   Wed Oct 2 22:24:14 2013 -0700
[1/2] AppOps: Show allowed/ignored counts
Change-Id: Ia27737155c33e934df9a2a1fcff88379240fd096

Author: Sam Mortimer <sam@mortimer.me.uk>
Date:   Sun Dec 1 21:39:07 2013 -0800
AppOps: only apply app type filters to summary screen
    *) If buildState() is called for a single package, do
       not apply hide user/system app filters.
    *) Fixes show detail display when called via
       long press in privacyguard and an AppOp hide
       filter is ticked.
Change-Id: If31d094fb989836ab6829daeefe820695032c0ed

Change-Id: I4d6f37b3923eb9bc98d67101d6f0ef481a427682