[grid] Fix build due to SessionRequests renaming - #9397

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Description

Fix build due to SessionRequests renaming

Motivation and Context

The java build was breaking due since it was unable to find LocalSessionRequests. The LocalSessionRequests class contents were merged into SessionRequests class. The changes rename the LocalSessionRequests to SessionRequests all necessary source files and test files.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.