SPIGOT-4526: Add conversion time API for Zombie & subclasses

By: md_5 <git@md-5.net>

paper-server/nms-patches/EntityZombieVillager.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/server/EntityZombieVillager.java
 +++ b/net/minecraft/server/EntityZombieVillager.java
-@@ -2,6 +2,10 @@
+@@ -2,13 +2,18 @@
  
  import java.util.UUID;
  import javax.annotation.Nullable;
@@ -11,9 +11,11 @@
  
  public class EntityZombieVillager extends EntityZombie {
  
-@@ -9,6 +13,7 @@
+-    private static final DataWatcherObject<Boolean> a = DataWatcher.a(EntityZombieVillager.class, DataWatcherRegistry.i);
++    public static final DataWatcherObject<Boolean> a = DataWatcher.a(EntityZombieVillager.class, DataWatcherRegistry.i); // PAIL
      private static final DataWatcherObject<Integer> b = DataWatcher.a(EntityZombieVillager.class, DataWatcherRegistry.b);
-     private int conversionTime;
+-    private int conversionTime;
++    public int conversionTime; // PAIL
      private UUID bD;
 +    private int lastTick = MinecraftServer.currentTick; // CraftBukkit - add field
  
@@ -34,7 +36,12 @@
  
              this.conversionTime -= i;
              if (this.conversionTime <= 0) {
-@@ -100,8 +110,10 @@
+@@ -96,12 +106,14 @@
+         return (Boolean) this.getDataWatcher().get(EntityZombieVillager.a);
+     }
+ 
+-    protected void a(@Nullable UUID uuid, int i) {
++    public void a(@Nullable UUID uuid, int i) { // PAIL
          this.bD = uuid;
          this.conversionTime = i;
          this.getDataWatcher().set(EntityZombieVillager.a, true);