[ASTERIXDB-2114][MTD] Fixed incorrectly persisted FeedPolicy

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- New FeedPolicy was incorrectly persisting PolicyName & Description fields

Change-Id: I04beb24c861b116525a9da467fafc1742f4a73d4
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2035
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Steven Jacobs <sjaco002@ucr.edu>
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/feeds/create-policy-from-file/create-policy-from-file.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/feeds/create-policy-from-file/create-policy-from-file.1.adm
index 7c4c53b..f006dcb 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/feeds/create-policy-from-file/create-policy-from-file.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/feeds/create-policy-from-file/create-policy-from-file.1.adm
@@ -1 +1 @@
-{ "DataverseName": "experiments", "PolicyName": "someString", "Description": "experiments", "Properties": {{ { "Name": "name", "Value": "testname" }, { "Name": "value", "Value": "testvalue" }, { "Name": "key", "Value": "testkey" } }} }
+{ "DataverseName": "experiments", "PolicyName": "testPolicy", "Description": "someString", "Properties": {{ { "Name": "name", "Value": "testname" }, { "Name": "value", "Value": "testvalue" }, { "Name": "key", "Value": "testkey" } }} }
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/FeedPolicyTupleTranslator.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/FeedPolicyTupleTranslator.java
index 8ddac7a..ec22735 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/FeedPolicyTupleTranslator.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/FeedPolicyTupleTranslator.java
@@ -141,7 +141,7 @@
         fieldValue.reset();
         aString.setValue(feedPolicy.getDescription());
         stringSerde.serialize(aString, fieldValue.getDataOutput());
-        recordBuilder.addField(MetadataRecordTypes.FEED_POLICY_ARECORD_POLICY_NAME_FIELD_INDEX, fieldValue);
+        recordBuilder.addField(MetadataRecordTypes.FEED_POLICY_ARECORD_DESCRIPTION_FIELD_INDEX, fieldValue);
 
         // write field 3 (properties)
         Map<String, String> properties = feedPolicy.getProperties();