apns: Add Altel and Tele2

Carrier documentation:
[1]https://altel.kz/new/helps/settings
[2]https://tele2.kz/help/d/11

Third-party ref:
https://apn.how/kz/tele2-altel



Change-Id: I94ceef2d10aff5573946827736644578ad625273
Signed-off-by: tejas101k <tejassingh649@rediffmail.com>