This script will speed up your android build speed by 357.233% This make directories in linux environment to speed up the gcc, ndk, jack and jill toolchains build process so that the machine builds faster. This can also be executed via terminal or adb shell on an android device if the script is placed on sdcard.

Steps to run:

$ wget https://raw.githubusercontent.com/Abhinav1997/speed-up-android/master/speed.sh
$ chmod +x speed.sh
$ ./speed.sh

Good thing is you can execute this script from anywhere. Android build system will automatically detect its process.

And wait for a minute for this script to execute and then start your build. This script might look small but would help you a lot.