Devtools: Disable layout test for closeable persistence

Frontend CL: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2167137

Bug: 1095733
Change-Id: I9b9709113d3ecf4ac8642b44e0aab1061242c51f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2248456
Commit-Queue: Jose Leal <joselea@microsoft.com>
Reviewed-by: Robert Paveza <Rob.Paveza@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#779046}

third_party/blink/web_tests/TestExpectations

@@ -6775,3 +6775,6 @@ crbug.com/1092135 [ Linux ] virtual/threaded/external/wpt/feature-policy/experim
 
 # Sheriff 2020-06-16
 crbug.com/1044825 http/tests/devtools/network/resource-priority.js [ Pass Timeout ]
+
+# Temporarily disable test to allow devtools-frontend changes
+crbug.com/1095733 http/tests/devtools/tabbed-pane-closeable-persistence.js [ Skip ]