Move makeFontData to SkTypeface_FreeType.

SkTypeface_FreeType uses SkFontData and makeFontData as a way to lazily
create FT_Face objects. Other SkTypeface types do not need this, so
remove it.

Change-Id: I2f2f829deac9f7f6aac06f9ce84f856922d8a861
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/299443
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
11 files changed