2c3dfa9e71
This reverts commit 027b76ecbf.
Reason for revert: <INSERT REASONING HERE>
Original change's description:
> Eliminate singleton/static access to the constant system and expose its
> functionality at the top level.
>
> Use sites have been updated to import the library with a prefix.
>
> Change-Id: I0f5e4e47bec089d2d0dc2fcd50caccfd98947cf5
> Reviewed-on: https://dart-review.googlesource.com/c/93842
> Reviewed-by: Sigmund Cherem <sigmund@google.com>
> Reviewed-by: Johnni Winther <johnniwinther@google.com>
TBR=johnniwinther@google.com,sigmund@google.com,fishythefish@google.com
Change-Id: I65310b2579c6746620ed6129e670206ed9bf5e91
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/94101
Reviewed-by: Mayank Patke <fishythefish@google.com>
Commit-Queue: Mayank Patke <fishythefish@google.com>