Revert of Flipping FEC flag at client to enable FEC protection on connection from client to server.

net/quic/quic_flags.cc

Index: net/quic/quic_flags.cc
diff --git a/net/quic/quic_flags.cc b/net/quic/quic_flags.cc
index 9449d4d7d80d4fe7a98bea76d465e6f4979907ac..d8aa270703864cf5d0d217082b5c13051b37df11 100644
--- a/net/quic/quic_flags.cc
+++ b/net/quic/quic_flags.cc
@@ -14,7 +14,7 @@
 // If true, QUIC connections will support FEC protection of data while sending
 // packets, to reduce latency of data delivery to the application. The client
 // must also request FEC protection for the server to use FEC.
-bool FLAGS_enable_quic_fec = true;
+bool FLAGS_enable_quic_fec = false;
 
 // When true, defaults to BBR congestion control instead of Cubic.
 bool FLAGS_quic_use_bbr_congestion_control = false;