Fix impl for OverdrawColorFilter to not rely on details of pmcolor,
esp. during serialization. We now store/serialize SkColor, which is
stable.

Change-Id: Ib453920a9a06647f44b33c9ae8af33936d6ead33
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/270997
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2 files changed