[cleanup] Re-mark compiler/osr-big as SLOW for arm64 sim builds

Bug: v8:9937
Change-Id: Ia0ad5def3cf8e5b9209b546e1d3fb9213bbfa810
Fixed: v8:9937
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1899622
Auto-Submit: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64771}

test/mjsunit/mjsunit.status

@@ -503,6 +503,7 @@
 
 ##############################################################################
 ['arch == arm64 and simulator_run', {
+  'compiler/osr-big': [PASS, SLOW],
   'regress/regress-454725': [PASS, SLOW],
 }],  # 'arch == arm64 and simulator_run'