Merge "Nat464Xlat: rely on netd events being called on handler thread." into main am: d196fab898

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2763405

Change-Id: Ice4d84ec6ff98098475e21e8ae96052d1827903a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>