gralloc: map HAL format RGBX_8888 to drm format XBGR8888 currently we end up creating framebuffers with wrong format for RGBX users and set_plane with these would show wrong colors, one example is the menu screen of the glb27 application. Change-Id: Ifa051a4c5e9f39a6427ae2864ac06955cb48ad2b Signed-off-by: Tapani Pälli <[email protected]> Reviewed-by: Topi Pohjolainen <[email protected]>