I would like to use unattended-upgrade to update the Adobe Reader, Flash Player and everything else of the Canonical partners. There fore, I added in /etc/apt/apt.conf.d/50unattended-upgrades

Unattended-Upgrade::Allowed-Origins {
    "${distro_id} ${distro_codename}-security";
    "${distro_id} ${distro_codename}-updates";
        "Canonical ${distro_codename}";
//  "${distro_id} ${distro_codename}-proposed";
//  "${distro_id} ${distro_codename}-backports";
};

sudo unattended-upgrade --dry-run -d

says

Initial blacklisted packages: 
Starting unattended upgrades script
Allowed origins are: ['o=Ubuntu,a=oneiric-security', 'o=Ubuntu,a=oneiric-updates', 'o=Canonical,a=oneiric']
Checking: acroread-common (["<Origin component:'partner' archive:'' origin:'' label:'' site:'archive.canonical.com' isTrusted:False>"])
Checking: adobe-flash-properties-gtk (["<Origin component:'partner' archive:'' origin:'' label:'' site:'archive.canonical.com' isTrusted:False>"])
Checking: adobe-flashplugin (["<Origin component:'partner' archive:'' origin:'' label:'' site:'archive.canonical.com' isTrusted:False>"])
Checking: adobereader-deu (["<Origin component:'partner' archive:'' origin:'' label:'' site:'archive.canonical.com' isTrusted:False>"])
Checking: handbrake-cli (["<Origin component:'main' archive:'oneiric' origin:'LP-PPA-stebbins-handbrake-snapshots' label:'HandBrake Snapshots' site:'ppa.launchpad.net' isTrusted:True>"])
Checking: handbrake-gtk (["<Origin component:'main' archive:'oneiric' origin:'LP-PPA-stebbins-handbrake-snapshots' label:'HandBrake Snapshots' site:'ppa.launchpad.net' isTrusted:True>"])
Checking: sopcast-player (["<Origin component:'main' archive:'oneiric' origin:'LP-PPA-ferramroberto-sopcast' label:'LffL Sopcast' site:'ppa.launchpad.net' isTrusted:True>"])
pkgs that look like they should be upgraded: 
Fetched 0 B in 0s (0 B/s)                                                      
blacklist: []
InstCount=0 DelCount=0 BrokenCout=0
No packages found that can be upgraded unattended

And it won't update. How can I update the third-party software automatically?