Cancel process_undecryptable_packets_alarm_ when CancelAllAlarm().

gfe-relnote: Trivial bug fix. Not flag protected.
PiperOrigin-RevId: 246543667
Change-Id: Ife2dd7627ee0e4d6e0da018e89a8df24802b0bee
diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index cf36197..c8bfd01 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -3096,6 +3096,7 @@
   timeout_alarm_->Cancel();
   mtu_discovery_alarm_->Cancel();
   path_degrading_alarm_->Cancel();
+  process_undecryptable_packets_alarm_->Cancel();
 }
 
 QuicByteCount QuicConnection::max_packet_length() const {