Fixed travis build tools version

.travis.yml

@@ -1,9 +1,17 @@
 language: android
+jdk: oraclejdk8
+sudo: false
 
 env:
   matrix:
     - ANDROID_TARGET=android-22  
 
+sudo: false
+addons:
+  apt:
+    packages:
+      - oracle-java8-installer
+
 android:
   components:
     # following added as quick fix to get support for 23.0.3 build tools
@@ -12,7 +20,7 @@ android:
     # See https://github.com/travis-ci/travis-ci/issues/5036
     - tools
     # needed build tools
-    - build-tools-23.0.3
+    - build-tools-24.0.2
 
     # The SDK version used to compile your project
     - android-23