Re-enable mozilla/ecma/Date/15.9.5.26-1 on arm64

Bug: v8:3716
Change-Id: Id884bf17dd4173546012aabe24263dac6d68b620
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2910782
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Auto-Submit: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74736}

test/mozilla/mozilla.status

@@ -954,8 +954,6 @@
 ['arch ==  arm64', {
   # BUG(v8:3503): Times out in debug mode.
   'js1_5/Regress/regress-280769-2': [PASS, FAIL, ['mode == debug', SKIP]],
-  # BUG(v8:3716): Flaky failure.
-  'ecma/Date/15.9.5.26-1': [PASS, FAIL],
 }],  # 'arch ==  arm64'