disable http/tests/devtools/console/console-search.js

Flaky on Linux and Mac dbg bot

TBR=alph@chromium.org

No-Try: true
Bug: 1016364
Change-Id: Id9f45fa49309ed5e5838799867f1211dc0e6f833
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1872451Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/master@{#707825}

third_party/blink/web_tests/TestExpectations

@@ -5766,3 +5766,6 @@ crbug.com/1015859 [ Linux ] http/tests/devtools/a11y-axe-core/performance/landin
 crbug.com/1015764 compositing/video/video-poster.html [ Pass Crash ]
 crbug.com/1015975 media/video-currentTime.html [ Pass Failure ]
 crbug.com/1015975 virtual/audio-service/media/video-currentTime.html [ Pass Failure ]
+
+# Sheriff 2019-10-21
+crbug.com/1016364 [ Linux Mac Debug ] http/tests/devtools/console/console-search.js [ Pass Timeout ]