added impl for @UtilityClass.

test/transform/resource/before/UtilityClassErrors.java

@@ -0,0 +1,14 @@
+@lombok.experimental.UtilityClass
+class UtilityClassErrors1 {
+	private String someField;
+	protected UtilityClassErrors1() {
+	}
+	void method() {
+		@lombok.experimental.UtilityClass
+		class MethodLocalClass {
+		}
+	}
+}
+@lombok.experimental.UtilityClass
+enum UtilityClassErrors2 {
+}