Don't initialize already initialized final fields. Fixes #1829.

test/transform/resource/before/NoArgsConstructorForce.java

@@ -5,4 +5,5 @@ public class NoArgsConstructorForce {
 	private final int[] i;
 	private final Object[] o;
 	private final java.util.List<?>[] fullQualifiedList;
+	private final String alreadyInitialized = "yes";
 }