Add support for sane fence behaviour in hwcomposer

Signed-off-by: Carsten Munk <carsten.munk@jollamobile.com>
On queueBuffer of hwcomposer, call virtual present(), different approach to ensure performance

Signed-off-by: Carsten Munk <carsten.munk@jollamobile.com>
Merge pull request #211 from stskeeps/hwcomposer_new_approach

New approach for hwcomposer to improve performance.