Use peer_max_ack_delay_ not local_max_ack_delay_ when using the MAD1 QUIC connection option.  Both fields are set to identical values, so this is a no-op.

Discovered in cr/258576461, field was split into two in cr/258183470

gfe-relnote: n/a (Fix variable name)
PiperOrigin-RevId: 261369441
Change-Id: I5cb59b5e6c0674a9550c53afa6e9524715d3d796

quic/core/quic_sent_packet_manager.cc

diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index 90771f8..7427b73 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -151,11 +151,15 @@
     SetInitialRtt(QuicTime::Delta::FromMicroseconds(
         config.GetInitialRoundTripTimeUsToSend()));
   }
+  if (config.HasReceivedMaxAckDelayMs()) {
+    peer_max_ack_delay_ =
+        QuicTime::Delta::FromMilliseconds(config.ReceivedMaxAckDelayMs());
+  }
   if (config.HasClientSentConnectionOption(kMAD0, perspective)) {
     rtt_stats_.set_ignore_max_ack_delay(true);
   }
   if (config.HasClientSentConnectionOption(kMAD1, perspective)) {
-    rtt_stats_.set_initial_max_ack_delay(local_max_ack_delay_);
+    rtt_stats_.set_initial_max_ack_delay(peer_max_ack_delay_);
   }
   if (config.HasClientSentConnectionOption(kMAD2, perspective)) {
     min_tlp_timeout_ = QuicTime::Delta::Zero();
@@ -243,11 +247,6 @@
   }
   send_algorithm_->SetFromConfig(config, perspective);
 
-  if (config.HasReceivedMaxAckDelayMs()) {
-    peer_max_ack_delay_ =
-        QuicTime::Delta::FromMilliseconds(config.ReceivedMaxAckDelayMs());
-  }
-
   if (network_change_visitor_ != nullptr) {
     network_change_visitor_->OnCongestionChange();
   }