TeleService: Remove the function of MO call on APM

Remove the function of MO call on APM.

CRs-Fixed: 651321

Change-Id: Ifcef2e26a578243630c85174c163f63763f53db5
TeleService: Highlight the forbidden network operator

The network operator preference will be disabled if
it is forbidden.

Don't disable the forbidden network operator.

CRs-Fixed: 651557

Change-Id: Icb69d0ce45206d74e30de750239da8510f836c77
Fix the failure when doing unit test

Change-Id: Ib5df587535c1da8b2e324ae77c30718f20527599
CRs-Fixed: 652947