change textutils to require font param

Bug: skia:
Change-Id: I8ba252e3fc5c0970fd9d83f73c32b68f3c68452e
Reviewed-on: https://skia-review.googlesource.com/c/180771
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
17 files changed