Build jar and set as an artifact.

circle.yml

@@ -28,7 +28,10 @@ dependencies:
 
 test:
   override:
-    - ./gradlew --stacktrace --parallel client:test:
+    - ./gradlew --stacktrace --parallel client:jar client:test:
         pwd:
           ../meta
 
+general:
+  artifacts:
+    - ../meta/client/build/libs/