$ sudo apt-get update
$ sudo apt-get install gcc-i686-linux-android 

gcc-i686-linux-android is installed in your system.

Make ensure the gcc-i686-linux-android package were installed using the commands given below,

$ sudo dpkg-query -l | grep gcc-i686-linux-android *

You will get with gcc-i686-linux-android package name, version, architecture and description in a table

gcc-i686-linux-android package basic information: