[i623] added eclipse code for generating @javax.annotation.Generated, and refactored java impl to reduce DRY violations. -f pretty now includes skipping generation of this annotation, and updated ALL the test cases.

test/transform/resource/after-ecj/EncodingUtf8.java

@@ -3,7 +3,7 @@
   EncodingUtf8() {
     super();
   }
-  public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+  public @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") java.lang.String toString() {
     return (("EncodingUtf8(foo๑๑=" + this.foo๑๑) + ")");
   }
 }