/usr/share/desktop-directories/gnomecc.directory is in gnome-control-center-data 1:3.4.1-0ubuntu1.
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 | [Desktop Entry]
Name=Control Center
Icon=gnome-settings
Type=Directory
X-Ubuntu-Gettext-Domain=gnome-control-center-2.0
|