Exclude parallel device tests from the Windows build for now

PiperOrigin-RevId: 333799540
Change-Id: Ib347a39ea4733a14f0f0c52b7b27053965b4a9af

tensorflow/python/distribute/parallel_device/BUILD

diff --git a/tensorflow/python/distribute/parallel_device/BUILD b/tensorflow/python/distribute/parallel_device/BUILD
index 331e0a3..79dac77 100644
--- a/tensorflow/python/distribute/parallel_device/BUILD
+++ b/tensorflow/python/distribute/parallel_device/BUILD
@@ -37,6 +37,8 @@
     tags = [
         # Dependencies aren't otherwise included in the pip package yet.
         "no_pip",
+        # MRO broken; needs investigation
+        "no_windows",
     ],
     deps = [
         ":parallel_device",