Fix resolv_gold_test failure problem in MTS.

MTS can not handle the test with testdata correctly.
This is a workaround to push the required testdata manually by proper
test_config.

Bug: 151392634
Bug: 151122313
Test: mts-tradefed run mts-dnsresolver
Test: atest resolv_gold_test

Change-Id: I0b148535d4e0aa7b272bf2af64fdb4f27f4f7e83