Fix Travis

Author: Jawnnypoo

.travis.yml

@@ -1,10 +1,10 @@
 language: android
 
 jdk:
-  - oraclejdk8
+  - openjdk8
 
 before_install:
   - mkdir "$ANDROID_HOME/licenses" || true
   - echo "24333f8a63b6825ea9c5514f83c2829b004d1fee" > "$ANDROID_HOME/licenses/android-sdk-license"
 
-script: "./gradlew build"
+script: "./gradlew build"