Fix some flaky tests due to DnsTlsFrontend::queries() am: 4afe6a6b am: 183a98da

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2092532



Change-Id: I319080ca980c2ad7952d668ad9e5a06f253c5ebc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>