b819b62be Variant type for C++ client wrapper (flutter/engine#8592) (#31168)

https://github.com/flutter/engine/compare/db36d28ed074...b819b62bed3f

git log db36d28ed074b8b4f018ce6f7cb93b4e8ffcf456..b819b62bed3ffedf729ac1daddcc8bf7885e9982 --no-merges --oneline
b819b62be Variant type for C++ client wrapper (flutter/engine#8592)

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

bin/internal/engine.version

-db36d28ed074b8b4f018ce6f7cb93b4e8ffcf456
+b819b62bed3ffedf729ac1daddcc8bf7885e9982