Stronger fix for swapping r0, r1 in 2pt conical gradients

Bug: chromium:798173
Change-Id: I2ac0ee94ecc6230fd450c17b6a0de9065f5b3f16
Reviewed-on: https://skia-review.googlesource.com/90202
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>
1 file changed