Merge "Support multicast routing" into main am: bcc245d5bf

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2817454

Change-Id: I29d305ff556152543d878f5ec0fc782088a73ea1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>