[mjsunit] SKIP a test that takes too long in arm64.debug simulator.

R=danno@chromium.org

Bug: 
Change-Id: Ic7017f4bbcdd23c157f8fdece7b960549d20e313
Reviewed-on: https://chromium-review.googlesource.com/561145Reviewed-by: Daniel Clifford <danno@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46467}

test/mjsunit/mjsunit.status

@@ -334,6 +334,8 @@
   'unicodelctest-no-optimization': [PASS, SLOW],
   # Issue 3219:
   'getters-on-elements': [PASS, ['gc_stress == True', FAIL]],
+  # Expects to finish in a certain time, but sometimes doesn't.
+  'regress/regress-165637': [SKIP],
 }],  # 'arch == arm64 and mode == debug and simulator_run'
 
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