Added json response to license.

product/modules/agents/android/jax-rs/src/main/java/cdm/api/android/Authentication.java

@@ -39,7 +39,10 @@ public class Authentication {
 
 	@POST
 	@Path("/device/license")
+	@Produces("application/json")
 	public String getLicense() {
-		return "License Agreement";
+		JsonObject result = new JsonObject();
+		result.addProperty("licenseText", "License Agreement");
+		return result.toString();
 	}
 }