[automerger skipped] Add test coverage for VPN local exclusion am: 7c9888cb0b -s ours

am skip reason: Merged-In Ibd47718b4e64048f815bd49737e362e6360bcd98 with SHA-1 d73826d98c is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/netd/+/19997517

Change-Id: I0e80d82c4cfcd9896cab1f25ee37ab350828c507
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>