Disable client-side ALPS for HTTP/3 in Chrome.

This should be disabled until SETTINGS frame parsing is hooked up, so that when
the server sees that the client supports ALPS it can be sure that it understands
SETTINGS.

PiperOrigin-RevId: 357272601
Change-Id: I4bbeb430a007c4f567077154ac0d0ecc11eed89d
diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index 6f809a7..93b0e01 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -36,7 +36,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_discard_initial_packet_with_key_dropped, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_donot_reset_ideal_next_packet_send_time, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_dont_defer_sending, true)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_alps_client, true)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_alps_client, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_alps_server, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_mtu_discovery_at_server, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_server_on_wire_ping, true)