Disable unified_api_test on windows as it is currently broken

PiperOrigin-RevId: 330962232
Change-Id: I264cc6a71004854201e8628f6e571b0a9d27f75e
diff --git a/tensorflow/python/framework/experimental/BUILD b/tensorflow/python/framework/experimental/BUILD
index 1240b30..5340d05 100644
--- a/tensorflow/python/framework/experimental/BUILD
+++ b/tensorflow/python/framework/experimental/BUILD
@@ -69,6 +69,7 @@
         # exported as part of the pip package yet so
         # this test is disabled.
         "no_pip",
+        "no_windows",  # b/168218876
     ],
     deps = [
         ":_unified_api",