IP connectivity metrics: fix tests

Change 4e89a026292338761838b33fc83b250f3519819c did not update the unit
tests checking serialization of ipconnectivity.proto protobufs.

This patch updates the tests expectations to make them pass again

Test: $ runtest frameworks-net
Bug: 34232829
Change-Id: Iccc4e1a7714c9ce1eba995dc47a2961216efc87d
3 files changed