3808b4d81 Use a signal for the pre-engine restart event (flutter/engine#55063)

engine-flutter-autoroll · engine-flutter-autoroll · commit 2f3708906275 · 2024-09-12T00:28:03.000Z
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-6b56b56a3a3b8d8b3fffc0e89a02a3f71452fa67
+3808b4d8122abab169cffd9d6d1fee3924a63cfc
