Add Channel 50 (area update info) support for LAM market

Add Channel 50 (area update info) support for LAM market.
Below is the list of MCC MNC:
MCC MNC 334 030 /334 03 (Movistar MX)
MCC MNC 722 07 (Movistar AR)
MCC MNC 732 123 (Movistar CO)
MCC MNC 740 00 (Movistar EC)
MCC MNC 712 04 (Movistar CR)
MCC MNC 706 04 (Movistar SV)
MCC MNC 704 03 (Movistar GT)
MCC MNC 716 17 (Entel PE)
MCC MNC 716 06 (Movistar PE)
MCC MNC 716 10 (Claro PE)

Bug: 111260033
Test: Manual
Change-Id: I2fe53cbfd103140125422e28723280ada7522cd1