[automerger skipped] ipv4 tethering offload - decrement ttl during forwarding am: f416b8a1ff -s ours

am skip reason: Merged-In I88e5293a54b7867a8e7dd76f6fd8e2a52d31e51a with SHA-1 c29af79e26 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/15192718

Change-Id: Ia1d90fa18054a072bc1ef7ee1d6ecf2ad12d195b