[foozzie] Disable --multi-mapped-mock-allocator for correctness fuzzing

No-Try: true
Bug: chromium:1337522
Change-Id: I086cec1209d6646441f128d9de9493987fc49490
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3711754Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Samuel Groß <saelo@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81236}

tools/clusterfuzz/foozzie/v8_foozzie.py

@@ -176,6 +176,9 @@ DISALLOWED_FLAGS = [
 
   # TODO(https://crbug.com/1324097): Enable once maglev is more stable.
   '--maglev',
+
+  # Bails out when sorting, leading to differences in sorted output.
+  '--multi-mapped-mock-allocator',
 ]