update travis

Author: vkocheryzhkin

.travis.yml

@@ -8,6 +8,16 @@ env:
   global:
     - ANDROID_TARGET=android-23
     - ANDROID_ABI=armeabi-v7a
+    
+before_install:
+  - mkdir -p $ANDROID_HOME/licenses
+  - echo "8933bad161af4178b1185d1a37fbf41ea5269c55" > $ANDROID_HOME/licenses/android-sdk-license
+  - echo "d56f5187479451eabf01fb78af6dfcb131a6481e" >> $ANDROID_HOME/licenses/android-sdk-license
+install:
+  - echo y | sdkmanager "ndk-bundle"
+  - echo y | sdkmanager "cmake;3.6.4111459"
+  - echo y | sdkmanager "lldb;3.1"
+
 android:
   components:
     - tools