fonts: Add LBhashitaComplexSans font for Sinhala

* From http://www.siyabas.lk/files/Bhashitha_Linux.zip

Change-Id: I293bfe84efd663d5a105541196e2bb3b123ee192
Merge "fonts: Add LBhashitaComplexSans font for Sinhala" into cm-11.0