Temporarily disable test for devtools-frontend

This cl prepares for crrev.com/c/1944331

Fixed: 1029489
Change-Id: Iea69f54e975e586ff35dcc29349a227a52c90343
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1944491
Commit-Queue: Jan Scheffler <janscheffler@chromium.org>
Reviewed-by: Tim van der Lippe <tvanderlippe@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720284}

third_party/blink/web_tests/TestExpectations

@@ -5912,5 +5912,6 @@ crbug.com/993790 external/wpt/document-policy/required-policy/required-document-
 
 # Temporary suppression to allow devtools-frontend changes
 crbug.com/1016772 http/tests/devtools/sourcemap-section-warning.js [ Pass Failure ]
+crbug.com/1029489 http/tests/devtools/elements/elements-linkify-attributes.js [ Pass Failure ]
 
 crbug.com/1029521 virtual/threaded/external/wpt/web-animations/timing-model/animations/updating-the-finished-state.html [ Pass Failure Timeout ]