[test] Skip flaky test on ODROIDs in stress mode

NOTRY=true
TBR=yangguo@chromium.org,mvstanton@chromium.org

Change-Id: I8e558509dc324aa5efe1ccb09cb9959eaabc5720
Reviewed-on: https://chromium-review.googlesource.com/1209303Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55680}

test/mjsunit/mjsunit.status

@@ -787,6 +787,9 @@
 
   # Slow on arm64 simulator: https://crbug.com/v8/7783
   'string-replace-gc': [PASS, ['arch == arm64 and simulator_run', SKIP]],
+
+  # Too memory hungry on Odroid devices.
+  'regress/regress-678917': [PASS, ['arch == arm and not simulator_run', SKIP]],
 }],  # variant == stress
 
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