Add verbalization of symbols that are unsupported by TTS/TalkBack

Bug: 13336905
Change-Id: Iefd117fa7b30b8ba240590b13b03d7044fd37ede
4 files changed
tree: 77a34bcd78468577433db49d410e265c53e26072
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk