Make the CTS VPN hostside tests pass on R. am: 51d8d9c785 am: 4e3eeb1d0d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3255362

Change-Id: Ifb70a784718783e951d40bc36ec596e9cc4849a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>