Override MediaQuery for WidgetsApp (#81295)

https://dart.googlesource.com/external/github.com/flutter/flutter/+/b9bf5769338d52f33e7d8734c59fb9d7463e6471
diff --git a/commits.json b/commits.json
index d9b56b8..3f3ded4 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"99b752ed2c8f87bb1d13d89a7cee3fb9caa3b1f2",
-  "external/github.com/flutter/flutter":"27acffe99fcdc89ba6ec8465b161aab4559337c4",
+  "external/github.com/flutter/flutter":"b9bf5769338d52f33e7d8734c59fb9d7463e6471",
   "sdk":"11991056b6511ed71aacdfebe72664f5632c5238"
 }
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