void handleNewTtlUpdateEntry(StoreKey key, IndexValue ttlUpdateValue, IndexValue originalPutValue) {
    enqueueNewValue(key, ttlUpdateValue, originalPutValue, null);
  }
Function that handles new TTL updates after a scan to keep the current {@link ScanResults} relevant.
@param key the {@link StoreKey} of the new TTL_UPDATE
@param ttlUpdateValue the {@link IndexValue} of the new TTL update
@param originalPutValue the {@link IndexValue} of the original PUT that is getting updated
ambry-store/src/main/java/com/github/ambry/store/BlobStoreStats.java