### What problem does this PR solve?
Switching threading.Lock() to asyncio.Lock(), since threading.Lock() is
blocking.
### Type of change
- [x] Performance Improvement
### What problem does this PR solve?
Change allocate_container_blocking Calculate Time by async time
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
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Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>
### What problem does this PR solve?
Add code_executor_manager. #4977.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
