[mdns] Update doc for NsdServiceInfo am: 0f5ae1fd08

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3138215

Change-Id: I381760d9813dba4a22b8e95c217e705889221baf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>