Luke Huang 26c1cdb19d Add Rfc6724 style sort for DnsResolver and fix potential bug ...

1. pass default network explicitly to fix potential
   mis-sync network problem in DnsResolver#query
2. Add rfc6724 sort and related test
3. DnsResolver do rfc6724 sort before response InetAddress answers
4. move haveIpv* function from DnsResolver to DnsUtils

Bug: 129530368
Test: atest DnsResolverTest DnsUtilsTest
Change-Id: I4efa599c0605f6a9e4ef2dd1a36572c69b3c433f

2019-05-23 11:23:41 +08:00

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net

Add Rfc6724 style sort for DnsResolver and fix potential bug

2019-05-23 11:23:41 +08:00