Merge "Add method to get all valid prefixes in PrefixDelegation class." into main am: f1feca062f am: b9692a5498 am: 5a331865ea

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2786161

Change-Id: I14b98e35f23cc2e0bc6341d991d2cd7fbb8857f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>