Tweak Indic graphemes
Tweak Indic graphemes

Drop redundant script tag from shortened Unicode names.
Use "vocalic_r" instead or "ri" etc.
Add auxiliar graphemes.

google/language-resources,googlei18n/language-resources,google/language-resources,googlei18n/language-resources,google/language-resources,googlei18n/language-resources,google/language-resources,googlei18n/language-resources,google/language-resources,googlei18n/language-resources,googlei18n/language-resources,google/language-resources