Remove iphonesimulator from SUPPORTED_PLATFORMS for Profile and Release modes (#38905)

https://dart.googlesource.com/external/github.com/flutter/flutter/+/4bffe3dd1dff6f168c06f714ebcd87fc3fd9cc2f
diff --git a/commits.json b/commits.json
index fcb772a..89d2ba5 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"a6cd477f543a863fc44803cf7db2e39a19ba97dd",
-  "external/github.com/flutter/flutter":"bfd27f6bd72c4f0ea2e97d27cc848e9d2b2eb3f4",
+  "external/github.com/flutter/flutter":"4bffe3dd1dff6f168c06f714ebcd87fc3fd9cc2f",
   "sdk":"72923471c4717821255c055574b05db05ee4cafd"
 }
\ No newline at end of file