Hdmi: Convert Seekbars to NumberPickers for Overscan dialog

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
HDMI Overscan NumberPicker conversion (Take 2)

* Layout changes -- make this usable with a standard IR

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
HDMI Overscan string clean up

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>