chore: update travis

Author: Zdravko Branzov

.travis.yml

@@ -8,14 +8,14 @@ matrix:
       language: node_js
       node_js: "6"
       jdk: oraclejdk8
-      script: cd src && npm i && cd ../demo && npm i && tns build ios --bundle --env.uglify && cd ../demo-angular && npm i && tns build ios --bundle --env.uglify
+      script: cd src && npm i && cd ../demo && npm i && tns build ios --bundle --env.uglify && cd ../demo-angular && npm i && tns build ios --bundle --env.uglify --env.aot
     - language: android
       os: linux
       env:
         - WebPack="Android"
       jdk: oraclejdk8
       before_install: nvm install 6.10.3
-      script: cd src && npm i && cd ../demo && npm i && tns build android --bundle --env.uglify --env.snapshot && cd ../demo-angular && tns build android --bundle --env.uglify --env.snapshot
+      script: cd src && npm i && cd ../demo && npm i && tns build android --bundle --env.uglify --env.snapshot && cd ../demo-angular && tns build android --bundle --env.uglify --env.snapshot --env.aot
     - language: android
       env:
         - BuildAndroid="26"
@@ -43,7 +43,6 @@ android:
     - android-26
     - android-23
     - extra-android-m2repository
-    - sys-img-armeabi-v7a-android-21
 
 install:
     - echo no | npm install -g nativescript