t0lte: force use both mic when back mic is selected, higher gain

Change-Id: I33ebb06e1b5fba72eebb7a8973cff86ae981311b
t0lte: switch to SamsungQualcommRIL

Depends on http://review.cyanogenmod.org/#/c/37936/

Change-Id: Ide524d49541cb39691fccd6040a95b626c4ed8ab
t0lte: default to LTE

Change-Id: I4a8c6822673f7147ac1097dd686a7ca13368e63a