ebpf offload - add support for tethering of ipv4 udp am: e4a726a5c6

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1591368

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I1d12eca24c0041a3916ca8110f7ac54f9474560b