[Sheriff] Disable WorkerThreadTest.SyncTerminate_ImmediatelyAfterStart.

Disable on Win
WorkerThreadTest.SyncTerminate_ImmediatelyAfterStart
(flaky timeouts).

TBR=nhiroki@chromium.org

Bug: 1003217
Change-Id: Ibac345ece0e5590f3ed813a54470705bc21d3490
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1800747Reviewed-by: vitaliii <vitaliii@chromium.org>
Commit-Queue: vitaliii <vitaliii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695986}

third_party/blink/renderer/core/workers/worker_thread_test.cc

@@ -298,7 +298,7 @@ TEST_F(WorkerThreadTest, AsyncTerminate_ImmediatelyAfterStart) {
 
 // Disabled due to flakiness: https://crbug.com/1003217.
 #if defined(ADDRESS_SANITIZER) || defined(MEMORY_SANITIZER) || \
-    defined(THREAD_SANITIZER)
+    defined(THREAD_SANITIZER) || defined(OS_WIN)
 #define MAYBE_SyncTerminate_ImmediatelyAfterStart \
   DISABLED_SyncTerminate_ImmediatelyAfterStart
 #else