Merge "Store transaction id in MdnsPacket" into main am: 87d128f43d am: 70ad84ac45 am: f2951a4b87

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2766487

Change-Id: I9aab6dd01c79992caa5dbe3ca10e5ac560c54403
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>