* Add getRange test coverage for SpecialKeyRangeAsyncImpl
* Fix the bug in SpecialKeyRangeAsyncImpl found by the test
* Refactor ConflictingKeysImpl::getRange to use containedRanges to simplify the code
* Fix file format
* Initialize SpecialKeyRangeAsyncImpl cache with correct end key
* Add release notes
* Revert "Refactor ConflictingKeysImpl::getRange to use containedRanges to simplify the code"
This reverts commit fdd298f469bf73b107e5ca29072c49774820d3d6.