Merge "Stop reducing RA advertised ipv6 mtu by 16 - not needed." into rvc-dev am: 36ff42e508

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11620914

Change-Id: I16f122fb61de1f03fa7bf163be8f5fea70ab59d7
tree: 48ab071e0490d63ed992be088162677e8cbc4955
  1. Tethering/