[issue #1347] When lombok generates constructors, it should call the @Builder.Default static method instead of initializing to null/0/false. This does that, for javac.

test/transform/resource/before/ConstructorsWithBuilderDefaults2.java

@@ -0,0 +1,8 @@
+//CONF: lombok.noArgsConstructor.extraPrivate = true
+import lombok.NoArgsConstructor;
+import lombok.Value;
+import lombok.Builder;
+
+@Builder @Value class ConstructorsWithBuilderDefaults {
+	@Builder.Default int x = 5;
+}