Snap for 7202128 from a1736527 to sc-d1-release

        const int averageTime = accumulatedTime / queryNum;

        LOG(INFO) << "ResolverTest#DnsServerSelection: averageTime " << averageTime << "us";

        // Since the average Time might differ depending on parameters, set [10ms, 20ms] as

        // acceptable range.

        EXPECT_GE(averageTime, 10000);

        EXPECT_LE(averageTime, 20000);

        dns1.clearQueries();

        dns2.clearQueries();

        dns3.clearQueries();