Use DNS watch as default DNS server

app/src/main/java/eu/faircode/email/ConnectionHelper.java

@@ -28,7 +28,8 @@ import java.util.Map;
 import javax.mail.MessagingException;
 
 public class ConnectionHelper {
-    private static final String DEFAULT_DNS = "8.8.8.8";
+    // https://dns.watch/
+    private static final String DEFAULT_DNS = "84.200.69.80";
 
     static final int AUTH_TYPE_PASSWORD = 1;
     static final int AUTH_TYPE_GMAIL = 2;

app/src/main/java/eu/faircode/email/EmailProvider.java

@@ -442,7 +442,6 @@ public class EmailProvider {
     private static SRVRecord lookup(Context context, String record) throws TextParseException, UnknownHostException {
         Lookup lookup = new Lookup(record, Type.SRV);
 
-        // https://dns.watch/ 84.200.69.80
         SimpleResolver resolver = new SimpleResolver(ConnectionHelper.getDnsServer(context));
         lookup.setResolver(resolver);
         Log.i("Lookup record=" + record + " @" + resolver.getAddress());