https://github.com/flutter/engine/compare/9e8f8d0889ec...4e54bc93ca9a

git log 9e8f8d0889ec04b54def0bf917321a27006623b0..4e54bc93ca9aaf2156fb06266c9fe509e8599a5f --no-merges --oneline
4e54bc93c Guard initialization of touch exploration listener (flutter/engine#8103)

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 (mklim@google.com), and stop
the roller if necessary.