evas/gl - fix the line incorrect position in arm.
line position is slightly different between gl drivers.
I have no idea why it is. So added to work differently based on the manufacturers.
This work may be based on the renderer. If you can test it with much drivers then please test and fix.
Also changed the ENV name from EVAS_GL_LINE_NO_OFFSET_HACK to EVAS_GL_LINE_OFFSET_HACK_DISABLE.