Disable blink_perf.shadow_com tests which broke after Web Components v0 removal

TBR=sullivan@chromium.org

NOTRY=true

Bug: 1135672
Change-Id: I04a0479cc9e3ba4f66adadee3c9be7a319699124
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2453506
Commit-Queue: oysteine <oysteine@chromium.org>
Reviewed-by: oysteine <oysteine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814385}

tools/perf/expectations.config

@@ -86,6 +86,7 @@ crbug.com/1062104 blink_perf.shadow_dom/imperative-api-appendchild.html [ Skip ]
 crbug.com/1062104 blink_perf.shadow_dom/imperative-api-assigned-elements.html [ Skip ]
 crbug.com/1062104 blink_perf.shadow_dom/imperative-api-assigned-slot.html [ Skip ]
 crbug.com/1062104 blink_perf.shadow_dom/imperative-api-insertbefore.html [ Skip ]
+crbug.com/1135672 blink_perf.shadow_dom/* [ Skip ]
 
 # Benchmark: dromaeo
 crbug.com/1050065 [ android-pixel-2 ] dromaeo/http://dromaeo.com?dom-modify [ Skip ]