By: Michael Lynch <git@mtlynch.io>
Put imagepipe readers first Make the imagepipe GenerateAndWrite function signatures accept the source reader before the media writer, and update all callers to match.
| Time to Start | Worker time | Duration | Time to finish | |
| Config | 1s | 37s | 39s | 40s |
| Eval | 40s | 51s | 51s | 1m32s |
| Build | 3m02s | 5m05s | 1m52s | 4m54s |
| Suite | 1s | 6m34s | 4m53s | 4m54s |