https://github.com/flutter/engine/compare/b1a9a6e79474...844c3274e6a1

git log b1a9a6e7947492b27c21688104d2d006d583094e..844c3274e6a1cd5a4651c46d26761b76ea837b34 --no-merges --oneline
844c3274e Roll src/third_party/skia 22451ccae544..1409ac718693 (2 commits) (flutter/engine#7348)
8ae205ccf Roll src/third_party/skia db0fdfbf107d..22451ccae544 (1 commits) (flutter/engine#7347)
e04cb414c Roll src/third_party/skia 247f03baeed9..db0fdfbf107d (1 commits) (flutter/engine#7345)
5f5316871 Roll src/third_party/skia 4f050fb81955..247f03baeed9 (1 commits) (flutter/engine#7344)
0e4a1afc3 Roll src/third_party/skia 8f42e2467cd9..4f050fb81955 (1 commits) (flutter/engine#7343)
a19b78ab6 Roll src/third_party/skia 9bc33b963844..8f42e2467cd9 (1 commits) (flutter/engine#7342)

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https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (liyuqian@google.com), and stop
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