[cpu-profiler] Skip Issue1398 test on TSAN

This test is currently flaky on TSAN and blocks the roll.

Bug: v8:8209
Change-Id: I0ca32d39f5570b458d56801b9a72ff3c428678d5
Reviewed-on: https://chromium-review.googlesource.com/1237676Reviewed-by: Michael Hablich <hablich@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56122}

test/cctest/cctest.status

@@ -204,6 +204,8 @@
   'test-cpu-profiler/TickEvents': [SKIP],
   # BUG(v8:6924). The test allocates a lot of memory.
   'test-api/NewStringRangeError': [PASS, NO_VARIANTS],
+  # BUG(v8:8209). Flaky
+  'test-cpu-profiler/Issue1398': [SKIP],
 }],  # 'tsan == True'
 
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