Merge "BPF: Implement build time feature flag for libbpf" into main am: e9d3f9c0ff

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/3236137

Change-Id: I0176f99707be3a8725766241e008a5f5fd70b2d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>