BpfLoader: exec mainline netbpfload for finalization am: 95c6fff6a2

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/3067735

Change-Id: I6ae9b1697f9f67d9bfa4c6f155a4a61fe6a48c72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>