Chris Bracken 0ab5914e26 Revert "Eliminate support for Dart 1 (#5504)" (flutter/engine#5505) ...

Broke runtime_unittests, which are still running directly from source.

This reverts commit 6a89437fec.

2018-06-11 18:12:10 -07:00

..

src/flutter

Revert "Eliminate support for Dart 1 (#5504)" (flutter/engine#5505)

2018-06-11 18:12:10 -07:00