Test: Check also the rtt_avg field when checking the stats am: 136ffc17 am:...

Test: Check also the rtt_avg field when checking the stats am: 136ffc17 am: 155c7432 am: fcecd88b am: 5b845450

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2486337



Change-Id: I3e0eec44fd8a65bf16af5ee337f7744105f8d486
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>