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: I4ba0ade5b1f998973fa9d70acccb688c65c16a6b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>