Don't assert coverage counting isn't blacklisted when driver workarounds are disabled

Bug: skia:7617
Change-Id: I53a49e7d15fe6a02d57155d50f486d7ab1a729f3
Reviewed-on: https://skia-review.googlesource.com/106920
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
(cherry picked from commit e7393ab8180378071348bb1783df5da56c4c0fc2)
Reviewed-on: https://skia-review.googlesource.com/106961
Reviewed-by: Derek Sollenberger <djsollen@google.com>
1 file changed