Merge "Support Neighbor Advertisement packet w/o TLLA option parsing." am: c6eb439fcb am: a73d636cc5 am: e5b4fbaffb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1736503

Change-Id: I85be6a51a09f102a555212f55a3577b8c374b3bf