SamsungQualcommRIL: use QualcommMSIM42RIL as a superclass

Change-Id: I1731d1b260351e51f13e882a731f5481937f0139
DCTracker: upgrade stubbed apn to Qcril Standard.

* this is still needed because sprint lte and legacy
 has the same operator numeric are not passing the check to
 lte apn is filled and not passing mDps.empty() check.
Change-Id: Ic13235744fca561cff4d49ae5c799420c30b3840