Add accessor and less for raw glyph ID and WS

Accessor is for debugging and Android.
Less is for ordered containers.

Change-Id: Ic4b7e0e9e32506f8594db961c274f93c5b5d1cee
Reviewed-on: https://skia-review.googlesource.com/114369
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed