Roll Flutter Engine from 5fafbc1b3a4a to 38ac18460f7a (2 revisions) (#112606)

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 8c7486a..d874713 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-5fafbc1b3a4a57f029c7b2d74a1498302c0e1ccf
+38ac18460f7a4cb431a9f775648f7c300c26f47d