Disable function_parameter_canonicalizer_test on windows

PiperOrigin-RevId: 331609347
Change-Id: I206ec8539f78530f30fe12353ab0111d159b74f3
diff --git a/tensorflow/python/BUILD b/tensorflow/python/BUILD
index 395d281..623aa57 100644
--- a/tensorflow/python/BUILD
+++ b/tensorflow/python/BUILD
@@ -5564,6 +5564,9 @@
     name = "function_parameter_canonicalizer_test",
     srcs = ["util/function_parameter_canonicalizer_test.py"],
     python_version = "PY3",
+    tags = [
+        "no_windows",  # b/168523121
+    ],
     deps = [
         ":_function_parameter_canonicalizer_binding_for_test",
         ":client_testlib",