[automerger skipped] [automerge] Move some utility methods to MdnsUtils 2p: 64732f379f am: 66b1a96a66 am: f4a774486d -s ours am: 5cc6fa1b34 -s ours am: 6d677c9df7 -s ours

am skip reason: Merged-In I92ba54809c2b291fd1f176fbda80a347f5944288 with SHA-1 5fffb2d960 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/23074355

Change-Id: I6cfddb97c9fee28e073fec3e727943247ca1e957
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>