Merge "Add NeighborAdvertisement class to build/prase NA packet." am: d5a8a30a4d am: 3df5486586

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1535653

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6f6283cf7fe1ad11173f33418aaa69697594fda7