udpate .travis.yml due to updating of dependencies.gradle

XingmingLi · XingmingLi · commit d094fae3c922 · 2018-02-11T18:24:12.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,8 +6,8 @@ android:
     - tools
     - platform-tools
     - tools
-    - build-tools-24.0.1
-    - android-23
+    - build-tools-27.0.1
+    - android-26
     - extra-google-m2repository
     - extra-android-m2repository
 
