Staticaly define what the tests will be to make it easier to add more
and tweak them when testing.
Also remove the attempt at left aligning the drawing. This was actually
a bit confusing since it caused positioning differences between the
bitmap and outline versions of the font.
Change-Id: Idc6da6f4628755154d186cc1e62daed28a65aaf5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/529750
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
17c639f028