Roll Flutter (stable) from adc901062556 to a0e9b9dbf78c (1232 revisions) (#10409)

flutter/flutter@adc9010...a0e9b9d

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-stable-packages
Please CC [email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter (stable): https://github.com/flutter/flutter/issues/new/choose
To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

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

Author: engine-flutter-autoroll

.ci/flutter_stable.version

@@ -1 +1 @@
-adc901062556672b4138e18a4dc62a4be8f4b3c2
+a0e9b9dbf78c8a5ef39b45a7efd40ed2de19c1a7