Show if mdns is enabled in server-status am: 9f298fb1f3 am: 3a96b01be1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/adb/+/3481790

Change-Id: I510402fe5b090e6a618aefec2f19785ad25d391a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>