Add preliminary Myanmar keyboard

This CL adds preliminary Myanmar keyboard as a groundwork. The
keyboard layout comes mainly from virtual keyboard of
<http://www.google.com.mm/>

Bug: 7963632
Change-Id: I36504ceb6c2079a6e133edaeb458da1c5cf3ded2
11 files changed
tree: 059c8abb6e3f6e592252a959034e0731b68ffd30
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk