Fix upgrade test
Make sure ALSA CRAS plugin works with 32-bit applications on x86_64 chroots.
This is done by compiling both 32- and 64-bit versions of the plugin.
Remove uneeded dbus dependency. Do not install libasound2-dev:i386 in precise.
Fixes after review.
More fixes.
Patch x86 clients so that they can connect to x86_64 servers.
Improved audio test.
 - Use cras_test_client --dump_server_info
 - Test x86 client on x86_64 machines
 - Test pulseaudio more thoroughly.
Remove exitswithin: Not reliable as unmount-chroot can take up
quite some time...
Improved test: download alsa-utils:i386 instead of installing it.