This will allow to remove the current 45 minutes propagation time.

Migration

• flutter/cocoon
• flutter/packages
• flutter/plugins
• flutter/engine ci.yaml roller
• flutter/engine bringup targets
• flutter/engine - [ci.yaml] Migrate remaining targets to cocoon scheduler engine#32018
• flutter/flutter bringup targets: Migrate bringup post-submit targets to cocoon scheduler #107483
• flutter/flutter - host only target: Migrate host only targets to cocoon scheduler #107673
• flutter/flutter - linux/android: Migrate Linux android targets to cocoon scheduler #107852
• flutter/flutter - windows/android+ mac/android: Migrate Mac/Windows+android targets to cocoon scheduler #107737
• flutter/fluter - mac/ios - Migrate Mac_ios targets to cocoon scheduler #107944
• schedule commit targets in batch requests - Send batch requests when scheduling new commit builds cocoon#1999
• Schedule failed builds with higher priority - Schedule earlier failed builds with higher priority to open tree faster #108183
• Batch schedule samsung & mac host only tasks - Batch schedule samsung and Mac host only tasks via cocoon #108317
• deprecate /api/refresh-chromebot-status - Remove cronjob relying on /api/refresh-chromebot-status cocoon#1998, Remove refresh chromebot status API cocoon#2006
• update CI_YAML.md to deprecate luci scheduler: CI_YAML doc needs update to deprecate luci scheduler #109712

Features

• Rerunning Cocoon scheduled builds - [scheduler] Migrate rerun logic to Cocoon scheduler cocoon#1610
• Auto-retries for Cocoon scheduled builds - [scheduler] Add auto-retries on pubsub notifications cocoon#1657
• Batch on device builds - [scheduler] Support batch scheduling #100793