Disable libcore.java.util.zip.DeflateRegressionTest#deterministicOutput.

An assertion starting failing in this test recently on the ART
Buildbot; temporarily disable this test while we investigate.

Test: Rely on the ART Buildbot
Bug: 135017266
Change-Id: I0ce36a168cd882205042f928e93a0d6f5932cf92
diff --git a/tools/libcore_failures.txt b/tools/libcore_failures.txt
index d65134c..f52c5c2 100644
--- a/tools/libcore_failures.txt
+++ b/tools/libcore_failures.txt
@@ -242,5 +242,13 @@
   names: [
     "libcore.libcore.io.OsTest#testCrossFamilyBindConnectSendto"
   ]
+},
+{
+  description: "Assertion failing in libcore.java.util.zip.DeflateRegressionTest#deterministicOutput -- temporarily disabling test while we investigate.",
+  result: EXEC_FAILED,
+  bug: 135017266,
+  names: [
+    "libcore.java.util.zip.DeflateRegressionTest#deterministicOutput"
+  ]
 }
 ]