Summary: On our CI server, gdb doesn't have the permission to disable ASLR when starting inferior and exits early. The patch turns off this feature for gdb when doing automated testing.

Test Plan: gdb unit tests

Reviewers: #kdevelop, kfunk

Reviewed By: #kdevelop, kfunk

Subscribers: kdevelop-devel

Differential Revision: https://phabricator.kde.org/D2188