SkPaint:  new constructor

Change-Id: I5033070bf5d52571869a687387b4f4fc6dddfdd2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211597
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Mike Reed <reed@google.com>
7 files changed