Allow selection of shaper wrapping algorithm.

Change-Id: I8103348de810863088758d26b6b2d8062827105e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/206170
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Ben Wagner <bungeman@google.com>
3 files changed