Use 8 or 16 bit state values in lexer, depending on # of states

Change-Id: I3cde541ff8eb7239394e825061ed1433806af5c7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/372123
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2 files changed