Roll Flutter Engine from ba1168fe0275 to a821b8790c9f (1 revision) (f…

…lutter#154032)

flutter/engine@ba1168f...a821b87

2024-08-23 [email protected] Roll Dart SDK from ca8ee3f5f266 to b81b344a194f (3 revisions) (flutter/engine#54738)

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bin/internal/engine.version

@@ -1 +1 @@
-ba1168fe0275406177e7f41930ffeaf3e023dc3f
+a821b8790c9fd0e095013cd5bd1f20273bc1ee47