Test: Clean up some hard-coded flags in resolv_integaration_test am: 6491342a am: 8e1845c8 am: 19db0caa am: d571df32 am: f6e70e1e am: 3a92bef0

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



Change-Id: Ib9c1e92191d863f9d6445f56f88c19ca0d4cc3d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>