Use quiche string libraries in third_party/quic/quartc

gfe-relnote: n/a, no functional change
PiperOrigin-RevId: 285209158
Change-Id: I5c208ceed99a1cab430ce8b24672a0f132cdc4dc
diff --git a/quic/quartc/simulated_packet_transport.cc b/quic/quartc/simulated_packet_transport.cc
index 05f71c4..263c213 100644
--- a/quic/quartc/simulated_packet_transport.cc
+++ b/quic/quartc/simulated_packet_transport.cc
@@ -6,7 +6,7 @@
 
 #include <utility>
 
-#include "net/third_party/quiche/src/quic/platform/api/quic_str_cat.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_str_cat.h"
 
 namespace quic {
 namespace simulator {
@@ -19,7 +19,7 @@
     : Endpoint(simulator, name),
       peer_name_(peer_name),
       egress_queue_(simulator,
-                    QuicStringPrintf("%s (TX Queue)", name.c_str()),
+                    quiche::QuicheStringPrintf("%s (TX Queue)", name.c_str()),
                     queue_capacity) {
   egress_queue_.set_listener_interface(this);
 }