Move quic::QuicEndian to quiche::QuicheEndian

This change will enable us to reuse the endian library in new third_party repos without introducing a dependency on //third_party/quic.

gfe-relnote: Refactor of QUIC Endian library
PiperOrigin-RevId: 281406510
Change-Id: If1b72425a799bad7469281f32a12d6630fe787c4
diff --git a/quic/core/crypto/chacha_base_decrypter.cc b/quic/core/crypto/chacha_base_decrypter.cc
index eb1e95f..c67fd89 100644
--- a/quic/core/crypto/chacha_base_decrypter.cc
+++ b/quic/core/crypto/chacha_base_decrypter.cc
@@ -10,6 +10,7 @@
 #include "net/third_party/quiche/src/quic/core/quic_data_reader.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_arraysize.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_bug_tracker.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_endian.h"
 
 namespace quic {
 
@@ -30,7 +31,7 @@
   }
   const uint8_t* nonce = reinterpret_cast<const uint8_t*>(sample.data()) + 4;
   uint32_t counter;
-  QuicDataReader(sample.data(), 4, Endianness::HOST_BYTE_ORDER)
+  QuicDataReader(sample.data(), 4, quiche::HOST_BYTE_ORDER)
       .ReadUInt32(&counter);
   const uint8_t zeroes[] = {0, 0, 0, 0, 0};
   std::string out(QUIC_ARRAYSIZE(zeroes), 0);