Travis fix

Author: samtstern

.travis.yml

@@ -1,6 +1,5 @@
 language: android
 jdk: oraclejdk8
-# See https://github.com/travis-ci/travis-ci/issues/5582
 sudo: required
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
@@ -16,9 +15,13 @@ before_install:
   - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd\n504667f4c0de7af1a06de9f4b1727b84351f2910" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
 android:
   components:
-    # https://github.com/travis-ci/travis-ci/issues/6040#issuecomment-219367943
     - tools
+    - build-tools-28.0.3
     - tools
+  licenses:
+    - android-sdk-preview-license-.+
+    - android-sdk-license-.+
+    - google-gdk-license-.+
 script:
   - python scripts/checksnippets.py 
   - ./gradlew clean ktlint build