Fix Travis

Author: rogerhu

.travis.yml

@@ -9,11 +9,15 @@ jdk:
 
 android:
   components:
+    - tools
+    - platform-tools
     - build-tools-25.0.0
     - android-25
-    - doc-23
+    - doc-25
     - extra-android-support
     - extra-android-m2repository
+  licenses:
+    - android-sdk-license-.+
 
 before_install:
     - pip install --user codecov