Partially revert "Unflake and speedup JsNative*Sample cpu profile tests"

This reverts the test expectations of commit r22345. Several cpu profiler flakes were happening lately.

BUG=v8:2999
LOG=n
R=bmeurer@chromium.org
TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/418843002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/cctest.status

@@ -70,6 +70,11 @@
   'test-hydrogen-types/*': [PASS, NO_VARIANTS],
   'test-types/*': [PASS, NO_VARIANTS],
 
+  # The cpu profiler tests are notoriously flaky.
+  # BUG(2999). (test/cpu-profiler/CollectCpuProfile)
+  # BUG(3287). (test-cpu-profiler/SampleWhenFrameIsNotSetup)
+  'test-cpu-profiler/*': [PASS, FLAKY],
+
   ############################################################################
   # Slow tests.
   'test-api/Threading1': [PASS, ['mode == debug', SLOW]],