Devtools: Temporarily disable network tests for landing A11y Changes

This temporarily disables 4 network tool tests that will be
rebaselined and re-enabled after
https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/1881592
has landed and DEPS has rolled

Bug: 963183
Change-Id: Ifb2607ffc690f7b8225bcb5635cecd28f112a58e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1893515Reviewed-by: Lorne Mitchell <lomitch@microsoft.com>
Commit-Queue: Brandon Goddard <brgoddar@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#711385}

third_party/blink/web_tests/TestExpectations

@@ -5749,4 +5749,10 @@ crbug.com/1020036 [ Debug ] external/wpt/lifecycle/freeze.html [ Failure Pass ]
 
 # Temporarily disabled for landing datagrid Changes in devtools
 crbug.com/963183 http/tests/devtools/components/datagrid.js [ Pass Failure ]
-crbug.com/963183 http/tests/devtools/components/viewport-datagrid.js [ Pass Failure ]
\ No newline at end of file
+crbug.com/963183 http/tests/devtools/components/viewport-datagrid.js [ Pass Failure ]
+
+# Temporarily disabled for landing datagrid Changes in devtools
+crbug.com/963183 http/tests/devtools/network/network-close-request-view.js [ Pass Failure ]
+crbug.com/963183 http/tests/devtools/network/network-cookies-pane.js [ Pass Failure ]
+crbug.com/963183 http/tests/devtools/network/preview-searchable.js [ Pass Failure ]
+crbug.com/963183 http/tests/devtools/network/waterfall-header-height-updates.js [ Pass Failure ]