Drop packets to VPN address ingressing via non-VPN interface am: d493a3aa7d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/28724994

Change-Id: I2d21493b379c2e80c4e1df230a9012499fa3ca5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>