Roll engine cc115500b9cb2b27d59627f202e6cd6bb87f49fc..4737fc5cd89b8f0136e927b00f2e159444b95a73 (#30937)

Apply hotfix from https://github.com/flutter/engine/pull/8548

flutter/engine@4737fc5cd Initialize OpacityLayer's matrix to identity (flutter/engine#8467) (flutter/engine#8548)

bin/internal/engine.version

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 7697446..a9f7c41 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-cc115500b9cb2b27d59627f202e6cd6bb87f49fc
+4737fc5cd89b8f0136e927b00f2e159444b95a73