Documentation fix for debugProfileBuildsEnabled (#32909)

https://dart.googlesource.com/external/github.com/flutter/flutter/+/21e715014b39d3612856c1a1bbe027c7307c9ff4
diff --git a/commits.json b/commits.json
index 1dabb1a..7424a34 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"e40768c63a00252062ea1061a6db9e756ccb65e8",
-  "external/github.com/flutter/flutter":"b40b9f06ba5299ef808943091baae29a155410b9",
+  "external/github.com/flutter/flutter":"21e715014b39d3612856c1a1bbe027c7307c9ff4",
   "sdk":"2a85d595ba5541c01d3fd8961c929f9ac4695597"
 }
\ No newline at end of file