Update .travis.yml
Update .travis.yml
JohnTsaiAndroid/snackbar,open-keychain/snackbar,nispok/snackbar,chengkaizone/snackbar,dusunboy/snackbar,AICP/external_android-snackbar,vvallabb/snackbar,hukumsingh87/snackbar,Altaf-Mahdi/android_external_android-snackbar,zh-kevin/snackbar