Roll engine 81dffd1..f34bc65 (29 commits) (#50255)

* 9347c93 Roll src/third_party/dart c8ed304e979a..3414b5167554 (52 commits) (flutter/engine#16362)

* 16cd6f0 Roll fuchsia/sdk/core/mac-amd64 from 6h3IH... to Ke00Y... (flutter/engine#16360)

* 8c6cc65 Fix runtime type errors when running with canvaskit (flutter/engine#16312)

* 677b563 Refactor of Vulkan GPUSurface code (flutter/engine#16224)

* 7ca44d3 Kill the test harness if any test exceeds a timeout. (flutter/engine#16349)

* 7f6149c Revert "Remove use of the deprecated AccessibilityNodeInfo boundsInPa… (flutter/engine#16355)

* 488f489 Roll fuchsia/sdk/core/linux-amd64 from Tszo5... to VJv0H... (flutter/engine#16363)

* 7c9b11a Roll src/third_party/skia 71ce449d2814..2aee7d24da8f (5 commits) (flutter/engine#16364)

* 7e1d144 Expose enable-service-port-fallback switch (flutter/engine#16366)

* 4cda916 Expose the dart kernel snapshot target and copied assets as a public dependency (flutter/engine#16266)

* 73c5130 Roll src/third_party/dart 3414b5167554..68e904e444dc (17 commits) (flutter/engine#16367)

* 1cd8f3b Fix and consolidate wstring conversion utils (flutter/engine#16342)

* b98a39e Add docs (flutter/engine#16368)

* e3e6de2 Roll buildroot to c44791c89d2b51bfce864ab2cf5228d41ece1fcc (flutter/engine#16371)

* e24ec59 Fuchsia a11y actions (flutter/engine#16321)

* d8400c9 Roll src/third_party/skia 2aee7d24da8f..14d64afaa8a3 (10 commits) (flutter/engine#16374)

* eeabd4d Roll src/third_party/dart 68e904e444dc..48808f7dce81 (17 commits) (flutter/engine#16377)

* 22b994c Roll fuchsia/sdk/core/mac-amd64 from Ke00Y... to ubThi... (flutter/engine#16378)

* 0471f44 Roll src/third_party/skia 14d64afaa8a3..6c9b1fd6663e (7 commits) (flutter/engine#16380)

* 852d824 Roll src/third_party/dart 48808f7dce81..34893faa6079 (7 commits) (flutter/engine#16381)

* 4aa2083 Roll src/third_party/skia 6c9b1fd6663e..bc3307c395e2 (1 commits) (flutter/engine#16383)

* 036c370 Copied Apple's semantics for switches, made checkboxes the same. (flutter/engine#16211)

* c107969 fix build_id logic for fuchsia symbols (flutter/engine#16397)

* 11b7704 [fuchsia] Migrate flutter runner to use Present2 (flutter/engine#14162)

* 646ec35 Update license output (flutter/engine#16379)

* 925c60b Fix Windows embedding issues caught by clang (flutter/engine#16369)

* 31bf3e1 Roll src/third_party/dart 34893faa6079..b3396cbdcae1 (36 commits) (flutter/engine#16422)

* 8f89bac [web] Fixes incorrect transform when context save and transforms are deferred. (flutter/engine#16412)

* f34bc65 use percent for golden diff rates; tighten the values (flutter/engine#16430)

bin/internal/engine.version

@@ -1 +1 @@
-81dffd1241e67f7e514b5fcc9eab4902721ae575
+f34bc65bee49e1ac33d7bab178d1e4b4dd346881