try to make bpf_existence_test saner am: d6bcd58efd

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2155393

Change-Id: I165d39cbc596d4e69b6ec206245f455f060f13f5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>