Merge "Verify the access to the mdnsd socket is blocked from Android U" am: a95962c170 am: 3a0fb48d28

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2443023

Change-Id: Ied303cfb9a4ab9ed50560f411a1a36b346027c47
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>