[automerger skipped] Refine the library linking for the tests of DnsResolver am: b6402aea -s ours
am skip reason: Change-Id I56b6774b09cd4027db268ba74b670be01e88b2eb with SHA-1 0b564a2b is in history
Change-Id: I3af396cec82e3918beda23f33132079dcf1fd740