Merge "clatd: remove ipv6 address monitoring" am: 3ec1c43e4c

Original change: https://android-review.googlesource.com/c/platform/external/android-clat/+/2491075

Change-Id: Id52ca01684faf5bdd07cacc410e935fe247b036d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>