Fix some cut-and-paste errors in c/xnnpack_delegate_plugin.h

PiperOrigin-RevId: 438539858
diff --git a/tensorflow/lite/experimental/acceleration/configuration/c/xnnpack_plugin.h b/tensorflow/lite/experimental/acceleration/configuration/c/xnnpack_plugin.h
index db3b19b..a5e4277 100644
--- a/tensorflow/lite/experimental/acceleration/configuration/c/xnnpack_plugin.h
+++ b/tensorflow/lite/experimental/acceleration/configuration/c/xnnpack_plugin.h
@@ -12,18 +12,18 @@
 See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
-#ifndef TENSORFLOW_LITE_EXPERIMENTAL_ACCELERATION_CONFIGURATION_C_NNAPI_PLUGIN_H_
-#define TENSORFLOW_LITE_EXPERIMENTAL_ACCELERATION_CONFIGURATION_C_NNAPI_PLUGIN_H_
+#ifndef TENSORFLOW_LITE_EXPERIMENTAL_ACCELERATION_CONFIGURATION_C_XNNPACK_PLUGIN_H_
+#define TENSORFLOW_LITE_EXPERIMENTAL_ACCELERATION_CONFIGURATION_C_XNNPACK_PLUGIN_H_
 
-// This header file is for the delegate plugin for NNAPI.
+// This header file is for the delegate plugin for XNNPACK.
 //
-// For the C++ delegate plugin interface, the NNAPI delegate plugin is added to
-// the DelegatePluginRegistry by the side effect of a constructor for a static
-// object, so there's no public API needed for this plugin, other than the API
-// of tflite::delegates::DelegatePluginRegistry, which is declared in
+// For the C++ delegate plugin interface, the XNNPACK delegate plugin is added
+// to the DelegatePluginRegistry by the side effect of a constructor for a
+// static object, so there's no public API needed for this plugin, other than
+// the API of tflite::delegates::DelegatePluginRegistry, which is declared in
 // delegate_registry.h.
 //
-// But to provide a C API to access the NNAPI delegate plugin, we do expose
+// But to provide a C API to access the XNNPACK delegate plugin, we do expose
 // some functions, which are declared below.
 
 #include "tensorflow/lite/experimental/acceleration/configuration/c/delegate_plugin.h"
@@ -32,7 +32,7 @@
 extern "C" {
 #endif
 
-// C API for the NNAPI delegate plugin.
+// C API for the XNNPACK delegate plugin.
 // Returns a pointer to a statically allocated table of function pointers.
 const TfLiteDelegatePlugin* TfLiteXnnpackDelegatePluginCApi();
 
@@ -40,4 +40,4 @@
 }  // extern "C"
 #endif
 
-#endif  // TENSORFLOW_LITE_EXPERIMENTAL_ACCELERATION_CONFIGURATION_C_NNAPI_PLUGIN_H_
+#endif  // TENSORFLOW_LITE_EXPERIMENTAL_ACCELERATION_CONFIGURATION_C_XNNPACK_PLUGIN_H_