[automerger skipped] Get rid of libnetd_test_dnsresponder from DnsResolver...

[automerger skipped] Get rid of libnetd_test_dnsresponder from DnsResolver tests am: 638d7e4e am: 38789a8b -s ours am: f2319552 -s ours

am skip reason: Change-Id Ie9ff73935eb101e3a991d054c55ced9665cc6d90 with SHA-1 3975793c is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/11660298

Change-Id: Ideca2d3275d0e4f33fc9cd754b50a0079919cc99