Merge "Code cleanup in MdnsInterfaceAdvertiser, MdnsReplySender, MdnsUtils" into main am: 103e9b6766

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2811793

Change-Id: I30ebbf43c56304ab271a1ef7ba7a371bece881eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>