fix roll

Remove SkPathPriv::IsConvex() if SK_LEGACY_PATH_CONVEXITY
is defined to fix the Google3 roll.

TBR=ethannicholas@google.com

Bug: skia:
Change-Id: I2d2177213ec43dd048f15685d0afe49fb07656fe
Reviewed-on: https://skia-review.googlesource.com/c/177680
Commit-Queue: Cary Clark <caryclark@google.com>
Auto-Submit: Cary Clark <caryclark@google.com>
Reviewed-by: Cary Clark <caryclark@google.com>
2 files changed