Alter gpu veto

This CL unifies the treatment of the dashed and concave paths.

Before:
TP 28 FP 15 TN 8 FN 3 IND 3

After:
TP 28 FP 18 TN 7 FN 2 IND 2

One of the TrueNegatives that became a FalsePositive was the motivation use case (the Chromium busy spinner).

Committed: https://skia.googlesource.com/skia/+/87a6a8e18c7d5bbc94f478b44c53dc0e0549f927

Review URL: https://codereview.chromium.org/875913002
2 files changed