Skip adding ingress discard rule to OEM VPN am: df163f70fd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/28724996

Change-Id: Ida9159fe05ccb2f9ca72a9c29cf0af2f12fb2aa7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>