[test] Skip some flaky cpu profiler tests on windows.

BUG=v8:2999,v8:4751
LOG=n
NOTRY=true
TBR=hablich@chromium.org

Review URL: https://codereview.chromium.org/1820813003

Cr-Commit-Position: refs/heads/master@{#34943}

test/cctest/cctest.status

@@ -237,6 +237,12 @@
 
   # BUG(v8:4642).
   'test-lockers/LockAndUnlockDifferentIsolates': [PASS, NO_VARIANTS],
+
+  # BUG(v8:2999,v8:4751).
+  'test-cpu-profiler/CollectDeoptEvents': [SKIP],
+  'test-cpu-profiler/JsNativeJsRuntimeJsSampleMultiple': [SKIP],
+  'test-cpu-profiler/JsNativeJsSample': [SKIP],
+  'test-cpu-profiler/JsNative1JsNative2JsSample': [SKIP],
 }],  # 'system == windows'
 
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