cts: Skip FLEDGE localhost+dev enrollment check

This allows debuggablects tests to register localhost: and 127.0.0.1
addresses as valid ad techs. Further changes are required to
AdServicesHttpsClient such that we can call with a self-signed
certificate.

Test: atest android.adservices.service
Change-Id: If24f08d4838a6bedaffc42ec0dcbd86131bee07c
Fixes: 290791194
4 files changed