blockly-752: travis yml to accept android 28
@@ -7,9 +7,9 @@ android:
components:
- platform-tools
- tools
- - build-tools-27.0.3
+ - build-tools-28.0.3
- android-22
- - android-27
+ - android-28
- sys-img-armeabi-v7a-android-22
- extra-android-m2repository
- extra-google-m2repository
