j3dcore: initial fix for stereoscopic and double buffering graphics configurations

Signed-off-by: Kavon Farvardin <kavon.farvardin@gmail.com>
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
j3dcore: removed dead code

Signed-off-by: Kavon Farvardin <kavon.farvardin@gmail.com>
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
j3dcore: add an enum for the capabilities to try and disable

- remove some trailing whitespace, add missing @Override

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
j3dcore: remove some unused imports, mark the caps chooser class as static

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>