Automated SDK update

This updates the SDK from internal repo commit segmentio/public-api@5309269f.

Author: APIs and Common Services team

src/main/java/com/segment/publicapi/models/AudienceDefinition.java

@@ -48,7 +48,8 @@ public AudienceDefinition targetEntity(String targetEntity) {
     }
 
     /**
-     * The target entity slug, required in creating a linked audience.
+     * The target entity relationship slug, required in a linked audience, default to profile if not
+     * specified.
      *
      * @return targetEntity
      */

src/main/java/com/segment/publicapi/models/AudienceOptions.java

@@ -111,11 +111,11 @@ public AudienceOptions backfillEventDataDays(BigDecimal backfillEventDataDays) {
     }
 
     /**
-     * If specified, the value of this field indicates the number of days, specified from the date
-     * the audience was created, that event data will be included from when determining audience
-     * membership. If unspecified, defer to the value of `includeHistoricalData` to
-     * determine whether historical data is either entirely included or entirely excluded when
-     * determining audience membership.
+     * If specified and positive, the value of this field indicates the number of days, specified
+     * from the date the audience was created, that event data will be included from when
+     * determining audience membership. If unspecified, defer to the value of
+     * `includeHistoricalData` to determine whether historical data is either entirely
+     * included or entirely excluded when determining audience membership.
      *
      * @return backfillEventDataDays
      */

src/main/java/com/segment/publicapi/models/AudienceOptionsWithLookback.java

@@ -109,11 +109,11 @@ public AudienceOptionsWithLookback backfillEventDataDays(BigDecimal backfillEven
     }
 
     /**
-     * If specified, the value of this field indicates the number of days, specified from the date
-     * the audience was created, that event data will be included from when determining audience
-     * membership. If unspecified, defer to the value of `includeHistoricalData` to
-     * determine whether historical data is either entirely included or entirely excluded when
-     * determining audience membership.
+     * If specified and positive, the value of this field indicates the number of days, specified
+     * from the date the audience was created, that event data will be included from when
+     * determining audience membership. If unspecified, defer to the value of
+     * `includeHistoricalData` to determine whether historical data is either entirely
+     * included or entirely excluded when determining audience membership.
      *
      * @return backfillEventDataDays
      */