Automatic merge from submit-queue (batch tested with PRs 47417, 47638, 46930)

Added scheduler integration test owners.

**What this PR does / why we need it**:
Add OWNER file into scheduler integration test.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes # N/A

**Release note**:
```release-note-none
```