Merge "[Thread] support discovering NAT64 prefix from AIL" into main am: 5f9a3d042e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3273970

Change-Id: I443e7baa27ae732ddf774d57b4ec62dba2b72f72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>