Change predefined additional subtype format in preference

This change also refactor StringUtils class

Change-Id: Ie0b4d169b21c260bf238d6fcc9ab0ee8bfd6b508
9 files changed
tree: 15f6dd9cf0dacad9aed13f42ad7b5e4ad7a4d456
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk