Roll Flutter Engine from a98348946d61 to 6ddee4423d2c (1 revision) (#134490)

https://github.com/flutter/engine/compare/a98348946d61...6ddee4423d2c

2023-09-12 matej.knopp@gmail.com [Web] Properly report inverted selection (flutter/engine#44806)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

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

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

bin/internal/engine.version

-a98348946d615380f20e9b3130da6fc9cf214af3
+6ddee4423d2c0dce1301e203fd98073b5a856e89