Allow changing retry limit and timeout via experiment flags.

Test: built / flashed / booted
      netd_unit_test, netd_integration_test, libnetd_resolv_test

Change-Id: Ica8f2ccddc60f2b8e006ac6923064b6171a13821
diff --git a/tests/benchmarks/dns_benchmark.cpp b/tests/benchmarks/dns_benchmark.cpp
index 3d08838..067d252 100644
--- a/tests/benchmarks/dns_benchmark.cpp
+++ b/tests/benchmarks/dns_benchmark.cpp
@@ -69,7 +69,7 @@
 
             dns.SetupDNSServers(MAXNS, mappings, &mDns, &servers);
 
-            const std::vector<int> mDefaultParams_Binder = {300, 25, 8, 8, 100};
+            const std::vector<int> mDefaultParams_Binder = {300, 25, 8, 8, 1000};
             dns.SetResolversForNetwork(servers, domains, mDefaultParams_Binder);
         }
     }