Inconsistent media sizes for es-US locale.

The pdf_printer_media_sizes array for es-US was missing
resulting in using European paper sizes for US locale and
as a result no default media size for this locale. This
resulted in printing not working for es-US.

bug:18536264

Change-Id: Ied552a63d628be38dc5249f3cd6107cbeaa692a8
1 file changed