Revert "switch netd.o to BpfLoader v0.18 file format" am: b0adaec487

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2130613

Change-Id: I42d70fbf02c8289cad70c31763ba12101f5d6f05
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>