Internal QUICHE change

PiperOrigin-RevId: 343872569
Change-Id: I0dbf13935f2bcedeabb8eb41a0c1950ac0c2b952

quic/core/quic_flags_list.h

diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index e9b27fd..881a371 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -29,7 +29,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_default_to_2_rttvar, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_default_to_bbr, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_default_to_bbr_v2, false)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_delay_initial_ack, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_delay_initial_ack, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_deprecate_http2_priority_experiment, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_server_blackhole_detection, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_draft_27, true)