Merge "Add gpu implementation of SkAvoidXfermode GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1658623002" into master-skia

https://skia.googlesource.com/skia/+/afb188de27d047c8327ccc7b099203e8fc2a4129

Change-Id: I27420e9ef6753365cb3e845dffe1175dd040a6f6