Improve SkTestFontMgr.

This moves the portable typefaces into the portable font manager.

Change-Id: Id25e8f0b90f99c82d09cfb3ef136bda8c7728ee9
Reviewed-on: https://skia-review.googlesource.com/140351
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
9 files changed