Migrate reigster service callback backend

registerServiceInfoCallback currently only sends updates for
addresses added, but does not handle removes (expiration) and
TXT/SRV record updates. Thus, migrate its backend to
MdnsDiscoveryManager which can support the expiration update.

Bug: 266030646
Test: atest FrameworksNetTests CteNetTestCases
Change-Id: I72add213935dc1beacb6277007868ad30bd89c00