Test: Clean up some hard-coded flags in resolv_integaration_test am: 6491342a am: 8e1845c8 am: 41a0fc4f am: a463fedd am: d003b208 am: 01ed2d7f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2465150



Change-Id: I4ebb3574a816f33994eca8ac98b8b1e6fd082920
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>