Fix listing of interfaces with ID > 255 am: 4400e30d33

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/mdnsresponder/+/18883665

Change-Id: Iac3c41d1c01d11ad1f17df602f447a2d678e80d1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>