[RFCLAT#4] Move clat ipv6 address setup from clatd to netd am: 5c112131d9 am: 44fb25a5ec am: 8a9d8d4f8b am: 2267bed300

Original change: https://android-review.googlesource.com/c/platform/external/android-clat/+/1903036

Change-Id: Id47c5a4fa6361eaa3b06076002edb56ab87cc77b