Remove circular dependency between SkStroke.h and SkStrokerPriv.h

Each includes the other, but the former doesn't appear to need
the latter.

Change-Id: Ie2447717edf6188825418ef129dc28a28508fb43
Bug: skia:12584
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/475097
Reviewed-by: Ben Wagner <bungeman@google.com>
1 file changed