Add 32 bit libraries to 64 bit package dependency list

[marioguerriero]

As in the title, 32 bit compatibility libraries should be added to dependency list for amd64 package.

[SamuelMarks]

+1 as per http://stackoverflow.com/a/31088492

[mfonville]

I did add these dependencies into my fork at https://github.com/mfonville/android-studio ; builds @ https://launchpad.net/~maarten-fonville/+archive/ubuntu/android-studio