Adds error-prone to check java code

java/src/edu/wpi/first/wpilibj/networktables/NetworkTableKeyNotDefined.java

@@ -10,6 +10,7 @@ import edu.wpi.first.wpilibj.tables.TableKeyNotDefinedException;
  * @author Mitchell
  *
  */
+@Deprecated
 public class NetworkTableKeyNotDefined extends TableKeyNotDefinedException {
 
 	/**

java/src/edu/wpi/first/wpilibj/networktables2/type/ArrayData.java

@@ -3,6 +3,7 @@ package edu.wpi.first.wpilibj.networktables2.type;
 /**
  * @deprecated Use ArrayList instead.
  */
+@Deprecated
 public class ArrayData {
   private Object[] data = new Object[0];
 

java/src/edu/wpi/first/wpilibj/networktables2/type/BooleanArray.java

@@ -3,6 +3,7 @@ package edu.wpi.first.wpilibj.networktables2.type;
 /**
  * @deprecated Use {@literal ArrayList<Boolean>} instead.
  */
+@Deprecated
 public class BooleanArray extends ArrayData {
   public boolean get(int index) {
     return ((Boolean)getAsObject(index)).booleanValue();

java/src/edu/wpi/first/wpilibj/networktables2/type/NumberArray.java

@@ -3,6 +3,7 @@ package edu.wpi.first.wpilibj.networktables2.type;
 /**
  * @deprecated Use {@literal ArrayList<Double>} instead.
  */
+@Deprecated
 public class NumberArray extends ArrayData {
   public double get(int index) {
     return ((Double)getAsObject(index)).doubleValue();

java/src/edu/wpi/first/wpilibj/networktables2/type/StringArray.java

@@ -3,6 +3,7 @@ package edu.wpi.first.wpilibj.networktables2.type;
 /**
  * @deprecated Use {@literal ArrayList<String>} instead.
  */
+@Deprecated
 public class StringArray extends ArrayData {
   public String get(int index) {
     return ((String)getAsObject(index));