Merge "Run bpf_existence_test in presubmit." am: b81abf3abe am: 28323114ea am: 547e33f279

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1991615

Change-Id: If0580a2faae3f206ab114f2f16d5f2b944e93f21