Avoid initial NetworkChangeNotifier OnDNSChanged() signal on Android

chrome/browser/net/dns_probe_service.cc

Index: chrome/browser/net/dns_probe_service.cc
diff --git a/chrome/browser/net/dns_probe_service.cc b/chrome/browser/net/dns_probe_service.cc
index 38b79041382109fdcae18b684a76bc58f2fca825..09c852cda0947a13328a604bbb1a8c0ad977c7ac 100644
--- a/chrome/browser/net/dns_probe_service.cc
+++ b/chrome/browser/net/dns_probe_service.cc
@@ -120,6 +120,10 @@ void DnsProbeService::OnDNSChanged() {
   SetSystemClientToCurrentConfig();
 }
 
+void DnsProbeService::OnInitialDNSConfigRead() {
+  OnDNSChanged();
+}
+
 void DnsProbeService::SetSystemClientForTesting(
     scoped_ptr<DnsClient> system_client) {
   system_runner_.SetClient(system_client.Pass());