clean up some dependencies in tensorflow/tsl that were referring to tensorflow/core

PiperOrigin-RevId: 477032569
Change-Id: Id7b9366763492c5868ccd7700177e0cdc0d3740a
diff --git a/unsupported/Eigen/CXX11/ThreadPool b/unsupported/Eigen/CXX11/ThreadPool
index a2eb06c..ddd6cdc 100644
--- a/unsupported/Eigen/CXX11/ThreadPool
+++ b/unsupported/Eigen/CXX11/ThreadPool
@@ -66,17 +66,17 @@
 #else
   // Use tensorflow synchronization primitives.
   #if !defined(EIGEN_MUTEX) || !defined(EIGEN_MUTEX_LOCK) || !defined(EIGEN_CONDVAR)
-    #include "third_party/tensorflow/core/platform/types.h"
-    #include "third_party/tensorflow/core/platform/mutex.h"
+    #include "third_party/tensorflow/tsl/platform/types.h"
+    #include "third_party/tensorflow/tsl/platform/mutex.h"
   #endif
   #ifndef EIGEN_MUTEX
-    #define EIGEN_MUTEX ::tensorflow::mutex
+    #define EIGEN_MUTEX ::tsl::mutex
   #endif
   #ifndef EIGEN_MUTEX_LOCK
-    #define EIGEN_MUTEX_LOCK ::tensorflow::mutex_lock
+    #define EIGEN_MUTEX_LOCK ::tsl::mutex_lock
   #endif
   #ifndef EIGEN_CONDVAR
-    #define EIGEN_CONDVAR ::tensorflow::condition_variable
+    #define EIGEN_CONDVAR ::tsl::condition_variable
   #endif
 #endif