Test: Deflake RepeatedSetup_NoRedundantPrivateDnsValidation am: a687b69a am: d75750c1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2676838



Change-Id: Idce615268e07be77307932e26670e2a5cdf6f593
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>