IP connectivity metrics: fix tests after proto update

Update to ipconnectivity.proto in commit
6d2f506bfd788a3685292d404dc9d82a27357cfe broke the associated unit
tests (Change-Id: I4cf5b95956df721aecd63fddfb026a7266c190b9)

Bug: 34901696
Test: runtest frameworks-net
Change-Id: I57a6bad8a9836b1c45690c4589b416786ce1dfa0
3 files changed