https://github.com/flutter/engine/compare/104f0572802c...3860a43379fa

git log 104f0572802c..3860a43379fa --no-merges --oneline
3860a4337 Re-revert wrong line_heights implementation (flutter/engine#6598)
09dcc3d5e Gate locale.getScript() behind version check for android  API < 21 (flutter/engine#6592)
c17624479 Provide an estimate of EngineLayer memory usage to the Dart GC (flutter/engine#6589)
2511dec76 Roll src/third_party/skia a64e4eeaa357..b4ae49937d83 (14 commits) (flutter/engine#6590)
0887dd58f Roll buildroot to 4ee38927dc45c46f2a1c74b1e3700b3cf953e747 (flutter/engine#6586)

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, who should
be CC'd on the roll, and stop the roller if necessary.