[RIL-NET] Added correct identification of operator with 2-valued MNC code

Change-Id: I1b863e93c8758c12e7b702ddcef880cff6b97c81
[RIL-CALL] Added correct notification  of incoming call end

Change-Id: Id9408a54e51157f9be03fa0c3344f4289609b2a4
[RIL-CALL] Fixed incoming call hangup

Change-Id: I3fa7f618802386841f02e9697c633b38d5baf70a