Advanced advanced reboot menu options (2/2)

this add to the advanced reboot options the ability to
set:

0 Disabled
1 Hide one lockscreen
2 Show always

ATTENTION: YOU WILL GET FC IF YOU HAD OLD ORIGINAL MOD (our modded version from cm) INSTALLED.
Clear Settings app data and all is fine

cheers

Change-Id: I574937277f6fde0d87f35b7a82c8467d71331801