[automerger skipped] Merge "Support changing the NAT64 prefix without removing it." into rvc-dev am: 535d087c23 -s ours

am skip reason: Change-Id I789fe9d46d3ac5d074ae697d23013f24a9e0246d with SHA-1 b3e329c4b3 is in history

Change-Id: If5a81dac82fa47a29db835577eaad0cf706b49ba
tree: aff498463337dbe9390c6c945755211cedd96b13
  1. core/
  2. services/
  3. tests/