[test] Increase simdjs test timeout on arm.
[test] Increase simdjs test timeout on arm.

TBR=bmeurer@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/1308563010

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#30504}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh