Add some missing headers to tpu_api_dlsym_initializer

PiperOrigin-RevId: 359328632
Change-Id: Id8d197efc595cb5856acf0a2a5150a15828ae9db
diff --git a/tensorflow/core/tpu/tpu_api_dlsym_initializer.cc b/tensorflow/core/tpu/tpu_api_dlsym_initializer.cc
index 3887239..fe98220 100644
--- a/tensorflow/core/tpu/tpu_api_dlsym_initializer.cc
+++ b/tensorflow/core/tpu/tpu_api_dlsym_initializer.cc
@@ -16,7 +16,9 @@
 #include "tensorflow/core/tpu/tpu_api_dlsym_initializer.h"
 
 #include <dlfcn.h>
+#include <fcntl.h>
 #include <sys/mman.h>
+#include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>