GPU profiler causes memory leaks and can cause Unity Editor to crash.

[Arnaud] new details about the repro. First of all, the leak seems to be in dx12 driver ( so not tracked by unity memory profiler ). To repro this, open the windows task manager, and look carefully at editor application "memory" when running.

Repro:
- open the attached project
- press PLAY
- when in play mode, minimize the editor
- observe the windows tazsk manager "editor" memory, start to grow after few seconds of minimized editor.