This change also uses slightly larger font size for functional key
label according to the v4 keyboard design.
Bug: 3216592
Change-Id: I027f109b7748ade8564dc808487d9a6ce1da9761
This change partially implements the requested feature. The following
are not supported yet.
- Non-letter key handling on automatic temporary upper case layout.
- Non-letter key handling on shift chording in caps lock layout.
- Hint icons for manual temporary upper case layout are not final ones.
Bug: 3193390
Change-Id: I636da99d1be05b1337935d87c6f4d140661e1cc8