android-headers-21 software package provides Android Platform Headers from AOSP releases, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install android-headers-21
android-headers-21 is installed in your system.
Make ensure the android-headers-21 package were installed using the commands given below,
$ sudo dpkg-query -l | grep android-headers-21 *
You will get with android-headers-21 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Library development |
| Package | android-headers-21 |
| Version | 23-0ubuntu2 |
| Description | Android Platform Headers from AOSP releases |
| Sub Section | Devel |