0f49789 Roll Dart SDK from d872aea6a645 to 2d22e4ca26ef (14 revisions) (flutter/engine#19227)

engine-flutter-autoroll · engine-flutter-autoroll · commit f2c402b66317 · 2020-06-23T06:42:50.000Z
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-a4197d6310dcfb619e760d3cdff358c3ec31e4e3
+0f497892ea6fd07a4fbb6f180455521ed7bc7827
