Merge "Minor post-merge cleanup." into cm-10.2

Change-Id: I2750004fb53e4640f679ec33660e0c60fe5bfbd1
Merge "Frameworks_Base: ( input devices ) Add Armenian Eastern hardware keyboard layout" into cm-10.2
Merge "Revert "Reduce total number of background apps for low memory devices"" into cm-10.2
Merge "am: Allow more hidden apps on devices with lots of RAM" into cm-10.2
Protected lockscreen - do not ping on unlock if silenced
halo performance, batch revamp

Change-Id: Ic32c146a1e4753c5a3342831d6c719a654816e54
code cleanup

Change-Id: I7af612c13aff48d0d20a0e8f83ea43c8941dcaaf