libril: Update libril from cm-12

* Added
* https://github.com/CyanogenMod/android_hardware_ril/commit/97b0eef36c848293c2f680377abd6988cac56a84
* https://github.com/CyanogenMod/android_hardware_ril/commit/97b0eef36c848293c2f680377abd6988cac56a84