Fixed modified import statements during conflicts in LocalSampleCalculatorOutputTest.java

Signed-off-by: Nathalie Jonathan <[email protected]>

Author: nathaliellenaa

common/src/test/java/org/opensearch/ml/common/output/execute/samplecalculator/LocalSampleCalculatorOutputTest.java

@@ -12,8 +12,9 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.opensearch.common.io.stream.BytesStreamOutput;
-import org.opensearch.common.xcontent.XContentFactory;
+import org.opensearch.common.xcontent.XContentType;
 import org.opensearch.core.common.io.stream.StreamInput;
+import org.opensearch.core.xcontent.MediaTypeRegistry;
 import org.opensearch.core.xcontent.ToXContent;
 import org.opensearch.core.xcontent.XContentBuilder;