Add CTS support for eBPF

Addition of eBPF requires tweaks regarding packet counting of
UDP-encapsulated-ESP packet bytes. This patch conditions the expected
number of bytes received based on eBPF being enabled

Bug: 74113670
Test: Ran CTS tests, passing on 3.18, 4.4, 4.9 kernels
Change-Id: If02a4bb6ebfdf949fdb58b5816aa9d252d9eef52
1 file changed
tree: 3e0b5e7f918f6f7b03ab41f5800c905dc721467e
  1. tests/