[go/perfbot-sheriff] Disable rendering balls css on win 7 gpu.

TBR=sadrul@chromium.org
NOTRY=true

Bug: 1054597
Change-Id: I2eafbf0f8d32ca50aa336e8e557306b3bf164b3a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2067456
Commit-Queue: Caleb Rouleau <crouleau@chromium.org>
Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743289}

tools/perf/expectations.config

@@ -267,6 +267,7 @@ crbug.com/967809 [ android-webview ] rendering.mobile/microsoft_video_city [ Ski
 crbug.com/1017244 [ mobile ] rendering.mobile/youtube_2018 [ Skip ]
 crbug.com/1036357 [ android-nexus-5 ] rendering.mobile/idle_power_blank [ Skip ]
 crbug.com/1036357 [ android-nexus-5 ] rendering.mobile/balls_svg_animations [ Skip ]
+crbug.com/1054597 [ win7 ] rendering.desktop/balls_css_transition_2_properties [ Skip ]
 
 # Benchmark: rasterize_and_record_micro.top_25
 crbug.com/764543 rasterize_and_record_micro.top_25/file://static_top_25/wikipedia.html [ Skip ]