DynamicSlowMPU:Ad-free with lots of bigs

Build 4236 on doml/remove-fronts-banner-ads-switch
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Baseline History
Build 42360d4e4ec
Current build. There are unaccepted changes, so build 3963 is still the baseline.
Build 24617405ee1
Auto-accepted
Build 207681411e8
Accepted by Daniel Clifton.
Build 1170978edb4
Auto-accepted
Commenting is disabled because there's a newer build on this branch