http://stackoverflow.com/questions/34940793/increasing-heap-size-while-building-the-android-source-code-on-ubuntu-15-10
export JACK_SERVER_VM_ARGUMENTS="-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx4096m"
out/host/linux-x86/bin/jack-admin kill-server
out/host/linux-x86/bin/jack-admin start-serverIncreasing heap size while building the android source code on Ubuntu 15.10
原文：http://www.cnblogs.com/verawang/p/5533648.html