Corrected the filter for DIMENSION_VALUE_FIELD (#659)

DIMENSION_VALUE_FIELD field was taking DIMENSION_NAME_FIELD which was resulting in 0 results.

Co-authored-by: Jan Miranda <[email protected]>

athena-cloudwatch-metrics/src/main/java/com/amazonaws/athena/connectors/cloudwatch/metrics/MetricsRecordHandler.java

@@ -211,7 +211,7 @@ private void readMetricSamplesWithConstraint(BlockSpiller blockSpiller, ReadReco
 
         String prevToken;
         ValueSet dimensionNameConstraint = request.getConstraints().getSummary().get(DIMENSION_NAME_FIELD);
-        ValueSet dimensionValueConstraint = request.getConstraints().getSummary().get(DIMENSION_NAME_FIELD);
+        ValueSet dimensionValueConstraint = request.getConstraints().getSummary().get(DIMENSION_VALUE_FIELD);
         do {
             prevToken = dataRequest.getNextToken();
             GetMetricDataResult result = invoker.invoke(() -> metrics.getMetricData(dataRequest));