Merge "Factor out response decoding into MdnsPacket" am: fe73104cc1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2388101

Change-Id: If7627b515e9e09f2a79e77e5525d18488e3d9760
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>