Use relative include paths for OpenSSL and zlib in QUICHE.

We use those in Envoy, and those should also work in Chromium (otherwise third-party libraries depending on those would fail to compile).

PiperOrigin-RevId: 440992054

quiche/quic/tools/simple_ticket_crypter.cc

diff --git a/quiche/quic/tools/simple_ticket_crypter.cc b/quiche/quic/tools/simple_ticket_crypter.cc
index ef788d6..aa1e65e 100644
--- a/quiche/quic/tools/simple_ticket_crypter.cc
+++ b/quiche/quic/tools/simple_ticket_crypter.cc
@@ -4,8 +4,8 @@
 
 #include "quiche/quic/tools/simple_ticket_crypter.h"
 
-#include "third_party/boringssl/src/include/openssl/aead.h"
-#include "third_party/boringssl/src/include/openssl/rand.h"
+#include "openssl/aead.h"
+#include "openssl/rand.h"
 
 namespace quic {