Add ability to do tracing with begin/end/counters and systrace output
Try to avoid getting the youngest == just released from screen.

Some GPUs stay with wayland buffers past release and this helps this scenario

Signed-off-by: Carsten Munk <carsten.munk@jollamobile.com>
Merge pull request #140 from stskeeps/tracing_and_wayland_fix

Tracing and wayland fix