Improve quiet and debug value handling.
Improve quiet and debug value handling.

lib/gen_robot_print.py
  - get_quiet:  New function.
  - get_debug:  New function.
  - Changed the way I avoid re-defining "print" and "print"

Change-Id: Icb71080ca71e26c9c5e4060adfe6a914b4e77422
Signed-off-by: Michael Walsh <10404802c7de463f402c4a18638106ca1b12ef61@us.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation