[Sheriff] Mark cpu profiler test as flaky on windows.

This is fails constantly on windows since the XP->Win7 bot upgrade.

BUG=v8:3055
R=jkummerow@chromium.org
TBR=jkummerow@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/133153006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18602 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/cctest.status

@@ -74,9 +74,11 @@
 
   # BUG(2999).
   'test-cpu-profiler/CollectCpuProfile': [PASS, FAIL],
-  'test-cpu-profiler/JsNative1JsNative2JsSample': [PASS, FLAKY],
   'test-cpu-profiler/JsNativeJsSample': [PASS, FLAKY],
 
+  # BUG(3055).
+  'test-cpu-profiler/JsNative1JsNative2JsSample': [PASS, ['mode == release', FAIL], ['mode == debug', FLAKY]],
+
   # BUG(3005).
   'test-alloc/CodeRange': [PASS, FAIL],
 }],  # 'system == windows'