see 03/12 log

Author: Blankj

.travis.yml

@@ -20,7 +20,7 @@ android:
 before_install:
   - mkdir "$ANDROID_HOME/licenses" || true
   - echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
-  - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
+  - echo -e "\nd56f5187479451eabf01fb78af6dfcb131a6481e" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
 
 script:
   - ./gradlew build connectedCheck --info