[network_time] Disable system_time_updater_test

Bug: CF-579 #comment
Test: N/A
Change-Id: Ic4a30258e356c0a45b861eb8e2d31ae2f84045f6
diff --git a/garnet/bin/network_time/test/BUILD.gn b/garnet/bin/network_time/test/BUILD.gn
index 60c09fb..b4aed78 100644
--- a/garnet/bin/network_time/test/BUILD.gn
+++ b/garnet/bin/network_time/test/BUILD.gn
@@ -39,7 +39,10 @@
 
   tests = [
     {
+      # TODO(CF-579): This test reliably crashes the session when testing over
+      # SSH.
       name = "system_time_updater_test"
+      disabled = true
     },
   ]
 }