HPLIP 3.20.6

[Till Kamppeter]

Hi,

could you upgrade HPLIP to 3.20.6 so that I can sync it into Ubuntu 
Groovy before Feature Freeze in a week (Thu, Aug 27)? Especially I 
prefer to sync instead of updating by myself to not cause a upstream 
source tarball mismatch between Debian and Ubuntu.

Thanks in advance

   Till