Disable discretization_distribution_test in oss to unblock submits.

PiperOrigin-RevId: 377166564
Change-Id: Ie75d08ebd5d441e442fa8f891256df066f01e0a4
diff --git a/tensorflow/python/keras/layers/preprocessing/BUILD b/tensorflow/python/keras/layers/preprocessing/BUILD
index 7cc90e8..60b68b1 100644
--- a/tensorflow/python/keras/layers/preprocessing/BUILD
+++ b/tensorflow/python/keras/layers/preprocessing/BUILD
@@ -476,6 +476,7 @@
     python_version = "PY3",
     tags = [
         "multi_and_single_gpu",
+        "no_oss",  # TODO(b/189956080)
     ],
     deps = [
         ":discretization",