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

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

Change-Id: Ie1b8a7ad1f5473374ee600c3caf3701e7b655175
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>