Add support for variable size pattern lockscreen (2/2):

Thanks to SlimRoms/CyanogenMod:
https://github.com/SlimRoms/packages_apps_Settings/commit/22b3826160de48788f3e963c00bf0c9d657ebf2f
https://github.com/SlimRoms/packages_apps_Settings/commit/23cbc8704c8635a0d807982bcfc5af323f7dba1a