Roll Dart SDK from 0aa5b0f019b9 to 594434d5a0b5 (2 revisions) (#20354)

https://dart.googlesource.com/external/github.com/flutter/engine/+/e01f910fce4b4b0b9caa9894f2fdc2b3147523ef
diff --git a/commits.json b/commits.json
index 6111884..0cfca8b 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
-  "external/github.com/flutter/engine":"5ebb5a37a7ed96483be73bf558aca49ef175f33d",
+  "external/github.com/flutter/engine":"e01f910fce4b4b0b9caa9894f2fdc2b3147523ef",
   "external/github.com/flutter/flutter":"4aed97681233a181ef8a135ed2809338473cbe11",
   "sdk":"594434d5a0b530cfac750ca681ad059fd90d76fc"
 }
\ No newline at end of file