[FSSDK-13023] Fix Holdout parsers to read excludeTargetedDeliveries as camelCase

GSON, org.json, and JSON-simple looked for the snake_case
"exclude_targeted_deliveries" key while every other datafile field is
camelCase, so a real datafile using the conventional camelCase spelling
silently parsed as false in those 3 parsers. Jackson already matched
the conventional spelling. Aligns all 4 parsers on
"excludeTargetedDeliveries", turning the previously-red parser tests
green.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: jaeopt

core-api/src/main/java/com/optimizely/ab/config/Holdout.java

@@ -108,7 +108,7 @@ public Holdout(@JsonProperty("id") @Nonnull String id,
             @JsonProperty("variations") @Nonnull List<Variation> variations,
             @JsonProperty("trafficAllocation") @Nonnull List<TrafficAllocation> trafficAllocation,
             @JsonProperty("includedRules") @Nullable List<String> includedRules,
-            @JsonProperty("exclude_targeted_deliveries") @Nullable Boolean excludeTargetedDeliveries) {
+            @JsonProperty("excludeTargetedDeliveries") @Nullable Boolean excludeTargetedDeliveries) {
         this.id = id;
         this.key = key;
         this.status = status;

core-api/src/main/java/com/optimizely/ab/config/parser/GsonHelpers.java

@@ -213,8 +213,8 @@ static Holdout parseHoldout(JsonObject holdoutJson, JsonDeserializationContext c
         }
 
         boolean excludeTargetedDeliveries = false;
-        if (holdoutJson.has("exclude_targeted_deliveries") && !holdoutJson.get("exclude_targeted_deliveries").isJsonNull()) {
-            excludeTargetedDeliveries = holdoutJson.get("exclude_targeted_deliveries").getAsBoolean();
+        if (holdoutJson.has("excludeTargetedDeliveries") && !holdoutJson.get("excludeTargetedDeliveries").isJsonNull()) {
+            excludeTargetedDeliveries = holdoutJson.get("excludeTargetedDeliveries").getAsBoolean();
         }
 
         return new Holdout(id, key, status, audienceIds, conditions, variations, trafficAllocations, includedRules, excludeTargetedDeliveries);

core-api/src/main/java/com/optimizely/ab/config/parser/JsonConfigParser.java

@@ -239,8 +239,8 @@ private List<Holdout> parseHoldouts(JSONArray holdoutJson) {
             }
 
             boolean excludeTargetedDeliveries = false;
-            if (holdoutObject.has("exclude_targeted_deliveries") && !holdoutObject.isNull("exclude_targeted_deliveries")) {
-                excludeTargetedDeliveries = holdoutObject.getBoolean("exclude_targeted_deliveries");
+            if (holdoutObject.has("excludeTargetedDeliveries") && !holdoutObject.isNull("excludeTargetedDeliveries")) {
+                excludeTargetedDeliveries = holdoutObject.getBoolean("excludeTargetedDeliveries");
             }
 
             holdouts.add(new Holdout(id, key, status, audienceIds, conditions, variations,

core-api/src/main/java/com/optimizely/ab/config/parser/JsonSimpleConfigParser.java

@@ -258,8 +258,8 @@ private List<Holdout> parseHoldouts(JSONArray holdoutJson) {
             }
 
             boolean excludeTargetedDeliveries = false;
-            if (hoObject.containsKey("exclude_targeted_deliveries") && hoObject.get("exclude_targeted_deliveries") != null) {
-                excludeTargetedDeliveries = (Boolean) hoObject.get("exclude_targeted_deliveries");
+            if (hoObject.containsKey("excludeTargetedDeliveries") && hoObject.get("excludeTargetedDeliveries") != null) {
+                excludeTargetedDeliveries = (Boolean) hoObject.get("excludeTargetedDeliveries");
             }
 
             holdouts.add(new Holdout(id, key, status, audienceIds, conditions, variations,