Roll Flutter Engine from 9e67369e7bb5 to 3818fccc88e2 (1 revision) (#106833)

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 10962bc..c659517 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-9e67369e7bb54ffbcc7b84b85709ed41966dafbc
+3818fccc88e21f00f51acc1e9b98fa262ade11f7