After r68405 reduced the default stack size on Arm64 a couple of tests
hit stack limits on the Arm64 android bots. Reduce the argument count
on these tests to avoid this issue.

BUG=chromium:1099623

Change-Id: I8957043b74bd416bb78223599b1a661a4887f54a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2280095
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Auto-Submit: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68670}