referhttps://source.android.com/source/initializing
- sudo apt-get install git-core gnupg flex bison gperf build-essential \
- zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 \
- lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache \
- libgl1-mesa-dev libxml2-utils xsltproc unzip
