Disable yahoo answers on Nexus 5x

Bug: 874935
Change-Id: Ic5959bd2f22097f6534248d9c1f15323f8ebe57b
TBR: nednguyen@google.com
NOTRY: true
Reviewed-on: https://chromium-review.googlesource.com/1177890Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Commit-Queue: Annie Sullivan <sullivan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583672}

tools/perf/expectations.config

@@ -164,6 +164,8 @@ crbug.com/338838 [ All ] rendering.mobile/basic_stream [ Skip ]
 crbug.com/338838 [ All ] rendering.mobile/basic_stream [ Skip ]
 crbug.com/873013 [ Android_Webview ] rendering.mobile/yahoo_answers_mobile_2018 [ Skip ]
 crbug.com/873014 [ Android_Webview ] rendering.mobile/yahoo_answers_mobile_sync_scroll_2018 [ Skip ]
+crbug.com/874935 [ Android_Webview ] rendering.mobile/yahoo_answers_mobile_2018 [ Skip ]
+crbug.com/874935 [ Android_Webview ] rendering.mobile/yahoo_answers_mobile_sync_scroll_2018 [ Skip ]
 
 # Benchmark: rasterize_and_record_micro.top_25
 crbug.com/764543 [ All ] rasterize_and_record_micro.top_25/file://static_top_25/wikipedia.html [ Skip ]