Revert of Enable HTTP/0.9 on non-standard ports by default

net/http/http_network_session.cc

Index: net/http/http_network_session.cc
diff --git a/net/http/http_network_session.cc b/net/http/http_network_session.cc
index 24b095ac67d229853bf3aaa966b02fd984853372..ada7cebe5dd6af445fd4435e387f277d568723ee 100644
--- a/net/http/http_network_session.cc
+++ b/net/http/http_network_session.cc
@@ -157,7 +157,7 @@ HttpNetworkSession::Params::Params()
       quic_do_not_mark_as_broken_on_network_change(false),
       proxy_delegate(nullptr),
       enable_token_binding(false),
-      http_09_on_non_default_ports_enabled(true),
+      http_09_on_non_default_ports_enabled(false),
       restrict_to_one_preconnect_for_proxies(false) {
   quic_supported_versions.push_back(QUIC_VERSION_35);
 }