Add custom ril class. After widing the testing base this seems to help
with efs corruption. See here for LGEQualcommCDMARIL:
http://downloads.codefi.re/shelnutt2/optimusg/sprint/cm10_1/LGEQualcommCDMARIL.java

Change-Id: I745a220a18865e51759e49b31e2b78af48cea493