Increase the horizontal gap between shift/delete and normal keys

This change also adds capability to add horizontal padding to the
keyboard.

Bug: 4269094
Change-Id: I805e76b253a497079517c01bd2a976f8702f7e56
15 files changed
tree: 81b85868c82d0317fba9bf53d87419806f55fa3c
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk