Merge "Add MdnsDiscoveryManager constructor without looper" am: ae9b229b7e am: 3e3745f84a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2600006

Change-Id: I07887062dc30252fc479ce23202394eaa93ba0e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>