Add simple annotation processor for tests

libraries/pom.xml

@@ -86,6 +86,7 @@
         <!--(kotlin-gradle-plugin module will be recognized as kotlin-js module)-->
         <module>tools/kotlin-js-library</module>
         <module>tools/kotlin-annotation-processing</module>
+        <module>examples/annotation-processor-example</module>
         <module>tools/kotlin-gradle-plugin</module>
         <module>tools/kotlin-gradle-plugin-core</module>
         <module>tools/kotlin-gradle-plugin-api</module>