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: I8fb1b038c36a731f1bfa5bf76e0b0d5b3f9c5226
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>