e1599ccd3 Fix horizontal scroll direction for macOS (flutter/engine#9022) (#33075)

https://github.com/flutter/engine/compare/dbf083bda157...e1599ccd3f89

git log dbf083bda15740c6c10891a402c81c4ebf67e0fd..e1599ccd3f89943a11c89ac8a31cc7d3edd72073 --no-merges --oneline
e1599ccd3 Fix horizontal scroll direction for macOS (flutter/engine#9022)

The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (jsimmons@google.com), and stop
the roller if necessary.

https://dart.googlesource.com/external/github.com/flutter/flutter/+/950493ff2046f08c9ff1d7cd4a722f6933b0cde5
diff --git a/commits.json b/commits.json
index 7424a34..57977ab 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"e40768c63a00252062ea1061a6db9e756ccb65e8",
-  "external/github.com/flutter/flutter":"21e715014b39d3612856c1a1bbe027c7307c9ff4",
+  "external/github.com/flutter/flutter":"950493ff2046f08c9ff1d7cd4a722f6933b0cde5",
   "sdk":"2a85d595ba5541c01d3fd8961c929f9ac4695597"
 }
\ No newline at end of file