Added disallowed APN types configuration support

The change added the configuration support for disallowed APN
types for WWAN or WLAN transport. This is to meet carrier policy
that certain traffic for APN types are not allowed on given
transport.

Bug: 135551751
Test: Manual + unit tests
Merged-in: I63c44d1e774b7491929406929e1a5a556db9515a
Change-Id: I63c44d1e774b7491929406929e1a5a556db9515a
(cherry picked from commit ac9a731d)