attempt at fixing the statusbar date layout (WIP) DO NOT MERGE!
be more robust with handling unknown sensors

- add support for new sensors (post 4.3)
- don't crash when encountering an unknown sensor type
- clean-up

Bug: 9683153
Change-Id: Iecd883e8a7d0297be1bd2bd4f00c5cc3ffcbccfe
revert:be more robust with handling unknown sensors
Revert "Add a delimiter between scheme and host"
revert: string tether apn