Enables for volatile paths and when path mask caching is disabled.
Bug: skia:
Change-Id: I644b17f2a4f77a4ddf85265f520599499c0800cf
Reviewed-on: https://skia-review.googlesource.com/60481
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>