
This reverts commit 8de0e15e4fdd3a1be8878394a7f8c8bda948e59b and updates the goldens versoin. This requires https://github.com/flutter/flutter/pull/20751 to land first.
Dart SDK dependency
The bin/internal/engine.version
file controls which version of the Flutter engine to use.
The file contains the commit hash of a commit in the https://github.com/flutter/engine repository.
That hash must have successfully been compiled on https://build.chromium.org/p/client.flutter/ and had its artifacts (the binaries that run on Android and iOS, the compiler, etc) successfully uploaded to Google Cloud Storage.