Fix "Connected via app / Connected / No internet access" summary

The summary for no internet access was updated to "Connected / No
internet access", but this leads to two "Connected"s if we're also
connected via a suggestion/specifier network. Refactor the summary logic
to avoid this double "Connected" case.

Bug: 270741028
Test: atest UtilsTest
Merged-In: I58190827989ffdf48af37d1047f515ee5821fa42
Change-Id: I58190827989ffdf48af37d1047f515ee5821fa42
2 files changed