ril: Remove outdated blocks

These were dependencies for a chunk that's been commented out since forever,
and they can be removed
G-Proj: Remove gsm build.prop lines and gsm inherit

The LS970 is now using gproj-common, so gsm/cdma needs to be set in device
trees.

Change-Id: I502f335352c0a50bfab8d68712f5f3adcd274cf6
ril: Use saner logic in determining the validity of an icc app

Instead of generic escape clauses, react to actually invalid data
to select a fallback.
Also, bail out early if the ICC is completely absent

Change-Id: Ie94f582773db212b9ed8bc1a1b3a9a6dc6c60231
Switch to the CAF media variant

While fixing camcorder pausing, I ended up updating the entire vidc
anyway, so might as well run the newer stuff
Enable BT tethering