Add scripts for Bengali, Devanagari, Kannada, Malayalam, and Tamil. Also include a very minor fix for Arabic. This concludes work on: Bug: 15840116 Change-Id: Iade313fc70030a67c68d424d8cb0cac245b883d1
Bug: 10029252 Change-Id: Ia03ff886f9e62a2fe228fe59b504b033eead7631