Revert "Revert "Revert "Added sahlnaskh arabic font to Android.mk & fonts.mk files to actually get the font installed"""

This reverts commit 223da77f2fb0b8e1954a29de60bffc78bb7ccf0d.

See http://review.cyanogenmod.org/#/c/60251/ for details

Change-Id: I8ad0ae60e7f8fb90744167671d2a226b73a5d084
Merge "Revert "Revert "Revert "Added sahlnaskh arabic font to Android.mk & fonts.mk files to actually get the font installed"""" into kitkat