Adding libdbus-glib-1-2 install to fix Firefox installation issue

Installing libdbus-glib-1-2 facilitates a smooth and functional
Firefox experience on Linux systems. With this change robot
GUI test cases would again start working fine.

Change-Id: I808a54d75e3b6b92f284920ba2cf5fad648dee22
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
1 file changed