Disable rasterize_and_record_micro.top_25/espn

The test has been flaky for some time now.

NOTRY=true
TBR=nednguyen@chromium.org
CC=wkorman@chromium.org,vmpstr@chromium.org

Bug: 842175
Change-Id: I857bbc9e9077d1378d59cdc14d7a03a7e1a67057
Reviewed-on: https://chromium-review.googlesource.com/1055593Reviewed-by: Charlie Andrews <charliea@chromium.org>
Commit-Queue: Charlie Andrews <charliea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#557882}

tools/perf/expectations.config

@@ -141,6 +141,7 @@ crbug.com/249736 [ All ] rendering.mobile/forecast.io_sync_scroll [ Skip ]
 crbug.com/768010 [ Android_One ] rasterize_and_record_micro.top_25/file://static_top_25/yahoonews.html [ Skip ]
 crbug.com/764543 [ All ] rasterize_and_record_micro.top_25/file://static_top_25/wikipedia.html [ Skip ]
 crbug.com/815193 [ Android ] rasterize_and_record_micro.top_25/file://static_top_25/wikipedia.html [ Skip ]
+crbug.com/842175 [ Android_One ] rasterize_and_record_micro.top_25/file://static_top_25/espn.html [ Skip ]
 
 # Benchmark: smoothness.gpu_rasterization.top_25_smooth
 crbug.com/667432 [ All ] smoothness.gpu_rasterization.top_25_smooth/pinterest [ Skip ]