Removed the usage of NetworkInfo in telephony

NetworkInfo has been deprecated. Removed all the usages
in telephony. The APN name (i.e. extra info), network type
(i.e. sub type), and suspended state are still passed
up to connectivity service like before.

Fix: 162789235
Test: Manual & FrameworksTelephonyTests
Change-Id: Ie63972d51f3da6780d43304c18b85ccf646330d6