Display correct expiration time of service record

The expiration time for each service record is currently
incorrect. It displays the current timestamp instead of the
current time + the remaining TTL.

Before:
2024-06-27T15:37:45.292231 - [MdnsDiscoveryManager._nearby_\
presence._tcp.local-187/47] onServiceNameDiscovered: Name: \
NsdManagerTest7899, type: _nearby_presence._tcp.local, \
subtypes: , ip: [192.168.144.219], ipv6: [fe80::9c4c:52ff:fe61\
:3509], port: 12345, interfaceIndex: 47, network: 187, \
textStrings: [T=0, SAI=800, SAT=4000, SII=800], textEntries: \
[T=0, SAI=800, SAT=4000, SII=800], \
expirationTime: 2024-06-27T07:37:45Z

After:
2024-06-27T15:37:45.292231 - [MdnsDiscoveryManager._nearby_\
presence._tcp.local-187/47] onServiceNameDiscovered: Name: \
NsdManagerTest7899, type: _nearby_presence._tcp.local, \
subtypes: , ip: [192.168.144.219], ipv6: [fe80::9c4c:52ff:fe61:\
3509], port: 12345, interfaceIndex: 47, network: 187, \
textStrings: [T=0, SAI=800, SAT=4000, SII=800], textEntries: \
[T=0, SAI=800, SAT=4000, SII=800], \
expirationTime: 2024-06-27T07:39:45Z

Fix: 345129252
Test: atest FrameworksNetTests NsdManagerTest
Change-Id: Ib68a439d99e3eba38d639058737a307fd74478c3
1 file changed