see 10/11 log

Author: Blankj

.travis.yml

@@ -15,8 +15,9 @@ android:
     - android-$COMPILE_SDK_VERSION
 
   licenses:
+    - 'android-sdk-preview-license-.+'
     - 'android-sdk-license-.+'
-    - '.+'
+    - 'google-gdk-license-.+'
 
   notifications:
     email: false