Themes: Add categories to theme change intent.

The following categories are available:

org.cyanogenmod.intent.category.MODS_HOMESCREEN
org.cyanogenmod.intent.category.MODS_LOCKSCREEN
org.cyanogenmod.intent.category.MODS_ICONS
org.cyanogenmod.intent.category.MODS_FONTS
org.cyanogenmod.intent.category.MODS_BOOTANIM
org.cyanogenmod.intent.category.MODS_NOTIFICATIONS
org.cyanogenmod.intent.category.MODS_ALARMS
org.cyanogenmod.intent.category.MODS_RINGTONES
org.cyanogenmod.intent.category.MODS_OVERLAYS

Change-Id: Ic444278d1d712cb6207bb10574a471524a8fed41
Fix SysUI force closes caused when enabling lockscreen notifications

This was accidentally removed in this commit: https://github.com/cristianomatos/android_frameworks_base/commit/3ddbdc27025c6e3060af0704e95ca4d85812c937

Change-Id: Ib4f76fb6b1ea903537b0ce628b51ae5336f18c53