Update .travis.yml (#2)

* Update .travis.yml

* Added jdk version to travis file

* Added license acceptance to travis

* Updated travis files to accept licenses

.travis.yml

@@ -1,15 +1,20 @@
 language: android
+jdk: oraclejdk8
+
 android:
   components:
     # The BuildTools version used by your project
+    - tools
     - build-tools-25.0.2
 
     # The SDK version used to compile your project
     - android-25
+  licenses:
+    - '.+'
+
 script:
   # Compile the SDK
-  ./gradlew assemble
+  - ./gradlew assemble
 
   # Run initTests
-  ./gradlew test
-
+  - ./gradlew test