Add missing villager sounds. Addresses BUKKIT-4756

src/main/java/org/bukkit/Sound.java

@@ -198,4 +198,11 @@ public enum Sound {
     HORSE_ZOMBIE_DEATH,
     HORSE_ZOMBIE_HIT,
     HORSE_ZOMBIE_IDLE,
+    // Villager
+    VILLAGER_DEATH,
+    VILLAGER_HAGGLE,
+    VILLAGER_HIT,
+    VILLAGER_IDLE,
+    VILLAGER_NO,
+    VILLAGER_YES,
 }