Scale strike width for SDFT

Allow SDFT to handle non-hairline stroked glyphs. Adjust the
stroke width and dashing for the generally larger size of the
glyph image.

Change-Id: I4aeb0b439f8ad40f1a4c8472466fedfd8b118b83
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/642337
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2 files changed