apns: add otelo web APN

CYAN-2440 on Jira

Change-Id: I266c8759716fc1883a73c4e66c7cb13d80153ac0
vendor/cm: fix Sprint MMS apn being set as default

Sprint CDMA MMS APN was being incorrectly set as default and hipri,
causing LTE connectivity issues because it was prioritized over the
other APN entries for LTE and EHRPD.

Change-Id: I6ca4fd172e2ecc64ca7a2c3fbca5327be61e7b5c