Settings: Pimp up Notification Labels Hide [1/2]

This adds fine grain priorities to hide the labels in the notification
drawer in the following ways:

- Show all Labels
- Hide Carrier Label
- Hide WiFI Lable
- Hide all Labels

PS:
- rebase

Change-Id: I2d3809fdc1d1af6b528df4920f0bb35fe0b1d5d7
Settings: add Spanish translations thanks to xda user senses!