Add a library for DNS resolver to read bpf maps am: ec0f7ac36f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2749763

Change-Id: If3d99a01d76c47733e9cfe62d35bac7c4313f7fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>