rename to Merge patheffect

Bug: skia:
Change-Id: Ieca0e71bc0ee6ce33f4f14605fe60d1fc61044ad
Reviewed-on: https://skia-review.googlesource.com/142509
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
3 files changed