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: 13779052 Change-Id: Ic7c17d96560501422a63340d7ce6bd8720e6c3c9