Fix parceling of LinkProperties Inet6Addr

IPv6 addresses parceled for DNS servers, private DNS servers, PCSCF
servers were parceled without the scope. This causes issues with
link-local DNS servers.

Test: atest FrameworksNetTests
Bug: 145181158
Change-Id: I0ed24e51d4d0656f4a1f932b5e9f646b35b4b971