[implements #1456] accessors can now be made final via @Accessors.

test/transform/resource/after-ecj/AccessorsMakeFinalLombokConfig.java

@@ -0,0 +1,9 @@
+class AccessorsMakeFinalLombokConfig {
+  private @lombok.Setter String test;
+  AccessorsMakeFinalLombokConfig() {
+    super();
+  }
+  public final @java.lang.SuppressWarnings("all") void setTest(final String test) {
+    this.test = test;
+  }
+}