Add an integration test that verifies that `flutter build windows` produces the expected executable. In the future, this will be used to test that version information is properly stamped on the executable.

Part of https://github.com/flutter/flutter/issues/73652.

* d30c46036 make fractional translation the default for desktop/tester (flutter/engine#34115)

* 8cf1560b6 Remove no-op flag from fidlc response gen (flutter/engine#34110)