Add HelloHuman class with say action

code/src/app/src/test/java/HelloHuman.java

@@ -0,0 +1,6 @@
+public class HelloHuman {
+    // Create a new say action.
+    Say say = SayBuilder.with(qiContext) // Create the builder with the context.
+            .withText("Hello human!") // Set the text to say.
+            .build(); // Build the say action.
+}