Use quiche string libraries in third_party/quic/core

gfe-relnote: n/a, no functional change
PiperOrigin-RevId: 285401547
Change-Id: Ice6d421ff7058fe2d47aee426d7634b6d403ee3f
diff --git a/quic/core/quic_connection_id.cc b/quic/core/quic_connection_id.cc
index 49e90b6..c495b35 100644
--- a/quic/core/quic_connection_id.cc
+++ b/quic/core/quic_connection_id.cc
@@ -17,8 +17,8 @@
 #include "net/third_party/quiche/src/quic/platform/api/quic_flag_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_logging.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
 #include "net/third_party/quiche/src/common/platform/api/quiche_endian.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_text_utils.h"
 
 namespace quic {
 
@@ -152,7 +152,7 @@
   if (IsEmpty()) {
     return std::string("0");
   }
-  return QuicTextUtils::HexEncode(data(), length_);
+  return quiche::QuicheTextUtils::HexEncode(data(), length_);
 }
 
 std::ostream& operator<<(std::ostream& os, const QuicConnectionId& v) {