HTCQualcommRIL: clean up unused functions and responses

Change-Id: I0c381677dbb2a8a76008c8eec6e1057fd22be43c

Conflicts:
	src/java/com/android/internal/telephony/HTCQualcommRIL.java
SamsungQualcommRIL: fix errors and replaces it with known values

* handles all exception and errors coming from the ril.
* fix an issue with mnc, potentially fixing herpderpd/lte  daemon.
* properly fix all exceptions
* We only need AMR states, cyanogen said
* clean up legacy stuff

Change-Id: If76e0c995b1d95e155fc2fe724de1f12013125c3

Conflicts:
	src/java/com/android/internal/telephony/SamsungQualcommRIL.java