Support restricted data connection when roaming

Fixed that when restricted network request arrives,
telephony brought up a non-restricted network. This
would be a true fix for b/74096275.

Also moved the data reevaluation logic from DCT to DC.

Test: Telephony sanity tests + unit tests
Bug: 80263817

Change-Id: Ice3e00afdc817bc3e09b6a2da77fee41d8ffea47