Add request-bug and request-default fields for Akkadian font.

Added the git and gerrit commit URLs for the addition of the Akkadian font for the Cuneiform script and it being set as the default font for Sumerian(sux) and Akkadian(akk) languages.

Change-Id: I0c624ca209d428019fbb9fa8e8b67b03b2a4eb1c
Merge "Add request-bug and request-default fields for Akkadian font."