Issue 5277 - Prepare Vagrant files for CI

Vagrantfile

 # -*- mode: ruby -*-
 # vi: set ft=ruby fenc=utf-8 et ts=2 sts=2:
 # coding: utf-8
 require "vagrant"
 
 VAGRANT_API_VERSION = "2"
 
 Vagrant.configure(VAGRANT_API_VERSION) do |config|
 
   if defined? Uplink
 
     config.uplink.command "build" do |command|
       command.inline = <<-eof
         export ANDROID_HOME="/home/vagrant/android-sdk-linux"
         set -e
-        mkdir -p build && cd build
+        rm -rf ./build/src
+        mkdir -p ./build/src && cd ./build/src
         # BEG: WIP and temporary sync step
         cp -rf /vagrant/. .
         rm -fv `find . -name local.properties`
         # END: WIP and temporary sync step
         ./ensure_dependencies.py
         cd libadblockplus-android
         echo "sdk.dir = /home/vagrant/android-sdk-linux" > local.properties
         echo "ndk.dir = /home/vagrant/android-ndk-linux" >> local.properties
-        cp local.properties ../libadblockplus-android-tests
-        mvn clean install
+        ./gradlew assemble
       eof
     end
 
     config.uplink.command "test" do |command|
       # Disabled for testing
       # command.require = "build"
     end
 
   end
 
-  config.vm.define "debian-jessie-amd64" do |config|
+  config.vm.provider "virtualbox" do |v|
+
+    v.memory = 2048 # 2Gb (for android emulator mostly)
+
+  end
+
+  config.vm.define "libadblockplus-android-ci-vm" do |config|
 
     config.vm.box = "debian/contrib-jessie64"
     config.vm.box_url = "https://atlas.hashicorp.com/debian/boxes/contrib-jessie64"
     config.vm.provision "shell", path: "vagrant-provision.sh"
 
   end
 
   # https://github.com/mitchellh/vagrant/issues/1673
   config.ssh.shell = "sh -c 'BASH_ENV=/etc/profile exec bash'"
 
 end