This patch applies the graphical session lock settings from the following
STIG controls:
- RHEL-07-010060
- RHEL-07-010070
- RHEL-07-010071
- RHEL-07-010073
- RHEL-07-010074
Docs will be provided in a follow-on patch.
Implements: blueprint security-rhel7-stig
Change-Id: I306ea5e2e274a2ca63158ba8b039686b27a5d923