Change Android Docker api version 28 to 27

koji-1009 · koji-1009 · commit 283c57a1b773 · 2019-04-25T22:34:42.000+09:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2.1
 executors:
   default:
     docker:
-      - image: circleci/android:api-28
+      - image: circleci/android:api-27
     environment:
       JAVA_OPTS: -Xmx3200m
 
