Merge "Remove the `at` parameter from send_dg and send_vc" am: 58bb30cc am: 8f020f14 am: 766e5274 am: 88868f41 am: 315bb8f9 am: 99d3fe13

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2486336



Change-Id: Iad2e5eee1cf6b8293ef423721a27370d78dbf1b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>