Use synchronizedMap for DynamicReplacableConstant#termMap #1381
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Changes proposed in this pull request
Use synchronizedMap for DynamicReplacableConstant#termMap to avoid it getting corrupted when same ParamLiteral is used concurrently in multiple threads.
This fixes SNAP-2764 (seen in case of subqueries).
Patch testing
precheckin
ReleaseNotes.txt changes
NA
Other PRs
NA