Roll Flutter Engine from a09295fe03c0 to e99fc6ef91ef (4 revisions) (#147391)

flutter/engine@a09295f...e99fc6e

2024-04-25 [email protected] [Impeller] while we still have benchmarks, see if we're efficient enough for this to be faster. (flutter/engine#52398)
2024-04-25 [email protected] [Impeller] Vulkan validation off by default. (flutter/engine#52397)
2024-04-25 [email protected] Roll Skia from cb32ad619678 to 52083c205016 (1 revision) (flutter/engine#52396)
2024-04-25 [email protected] [Impeller] kick off registration and initial PSO compilation of runtime effect earlier. (flutter/engine#52381)

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Author: engine-flutter-autoroll

bin/internal/engine.version

@@ -1 +1 @@
-a09295fe03c0a985f8c7b7609846b283a6fcb9d2
+e99fc6ef91ef40e8f7c50b7a1813f6a1ef6bfe8d