/usr/share/app-install/desktop/unity-control-center-signon:update-accounts.desktop is in app-install-data 14.04.0.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | [Desktop Entry]
X-AppInstall-Package=unity-control-center-signon
X-AppInstall-Popcon=0
X-AppInstall-Section=main
Name=Account update tool
Exec=/usr/lib/i386-linux-gnu/update-accounts
NoDisplay=true
Type=Application
X-Ubuntu-Gettext-Domain=app-install-data
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