clat: just always set mark unconditionally, part 2 am: 8bf5967d1e am: 721f534413 am: c2309adfc8

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2392252

Change-Id: Id26a389380d34e480bcae954451fec9030ed91ba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>