[Merge] lp:~vicamo/lxc-android-config/disable-systemd-alsa-restore into lp:lxc-android-config

[Vicamo Yang]

The two services have been disabled in upstart conf files previously, so we do the same for systemd to prevent system crash.
-- 
https://code.launchpad.net/~vicamo/lxc-android-config/disable-systemd-alsa-restore/+merge/306587
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~vicamo/lxc-android-config/disable-systemd-alsa-restore into lp:lxc-android-config.