ENGR00251253 Fixed UI flicker with swap rectangle

JB4.2 UI flicker in setting user name edit window.

The root cause is imx6 gpu 3d has alignment limitation
in resolving and cannot resolve front buffer correctly,
this is a workaround to draw the whole screen in 3d composition.

Signed-off-by: Xianzhong <b07117@freescale.com>