[BOT.5] Move class Ipv6ForwardingRule from IpServer to the coordinator am: 810a381cd4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11818380

Change-Id: Ibd36f70caf5980c575958f141116bda380fda04a
tree: 2a1583fe5840bfca58a517e84772c151ad090086
  1. Tethering/