Skip more virtual/web-components-v0-disabled/* tests

This CL marks tests as SKIP due to request in
https://chromium-review.googlesource.com/c/chromium/src/+/1952088.

These tests were almost constantly failing on WebKit Linux MSAN builder
(sample
https://ci.chromium.org/p/chromium/builders/ci/WebKit%20Linux%20MSAN/3236)

BUG=937746
TBR=schenney@chromium.org

Change-Id: I0fda6c7825aa57ec3bc0705ff82bbf7bcda04cfb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1953628Reviewed-by: Maksim Moskvitin <mmoskvitin@google.com>
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Commit-Queue: Maksim Moskvitin <mmoskvitin@google.com>
Cr-Commit-Position: refs/heads/master@{#722937}

third_party/blink/web_tests/TestExpectations

@@ -4378,6 +4378,8 @@ crbug.com/937746 [ Mac ] virtual/web-components-v0-disabled/fast/events/menu-key
 crbug.com/937746 virtual/web-components-v0-disabled/fast/events/before-unload-return-value-from-listener.html [ Skip ]
 crbug.com/937746 virtual/web-components-v0-disabled/external/wpt/html/semantics/links/following-hyperlinks/activation-behavior.window.html [ Skip ]
 crbug.com/937746 virtual/web-components-v0-disabled/fast/forms/number/number-input-event-composed.html [ Skip ]
+crbug.com/937746 virtual/web-components-v0-disabled/external/wpt/dom/idlharness.any.serviceworker.html [ Skip ]
+crbug.com/937746 virtual/web-components-v0-disabled/external/wpt/html/dom/idlharness.worker.html [ Skip ]
 
 # ====== End web-components-v0-disabled virtual suite tests ======