Lockscreen Notifications [2/2]

- Enable/disable lockscreen notifs
- Pocket mode
- Show always
- Hide Low Priority
- Hide Non Clearable
- Allow dismissing non clearable notifications
- Eenable/disable expanded notifications
- Force expanded view

Lockscreen Notifications: fixups & additions [2/2]

Lockscreen Notifications: fix removal of pocketmode setting
Lockscreen Notifications: make offset top user configurable & add privacy mode [2/2]

Conflicts:
	res/values/pa_strings.xml
Lockscreen Notifications: fix build

Lockscreen Notifications: check for proximity sensor
Lockscreen Notifications: disable notification count when notfifs are disabled
Lockscreen Notifications: make notification count user configurable

Conflicts:
	res/values/cm_dimens.xml
	res/values/pa_strings.xml