Update .travis.yml

HITGIF · web-flow · commit a4d41eaaef5c · 2017-11-20T16:53:58.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,10 @@
 language: android
-jdk: oraclejdk8
+jdk: oraclejdk9
 android:
   components:
     - tools
-    - build-tools-26.0.1
-    - android-26
+    - build-tools-26.0.2
+    - android-27
     - extra-google-m2repository
     - extra-android-m2repository
 before_install:
