Support more smaller scripts of Asia and Africa.

Noto fonts for Bamum, Lisu (Fraser), Mandaic, Mongolian, New Tai Lue,
Syriac (Estrangela), and Vai scripts are added to the fallback chain.

Bug: 19390244
Bug: 18639453
Change-Id: If18a7ea245f3b15baa9fb4f53855ae64759f921b
2 files changed