Roll engine afb9d510c3bb..782654846230 (3 commits) (#33950)

https://github.com/flutter/engine/compare/afb9d510c3bb...782654846230

git log afb9d510c3bb0f1b97980434b41200a2d3491697..78265484623037c6544dfd5380367bca29fa27b0 --no-merges --oneline
782654846 Align fuchsia and non-fuchsia tracing (flutter/engine#9199)
5ea125eaf Switch PlatformViewsController from Activity ref to Application ref. (flutter/engine#9193)
fd4368c85 Skip golden tests on non-Linux OSes (flutter/engine#9198)

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bin/internal/engine.version

-afb9d510c3bb0f1b97980434b41200a2d3491697
+78265484623037c6544dfd5380367bca29fa27b0