GitLab

Create a semi-stable API for capturing the state of an SkCanvas and reconstructing that state across different versions of Skia.

cherry-pick of https://skia.googlecode.com/svn/trunk@11013
cherry-pick of https://skia.googlecode.com/svn/trunk@11081

bug:10152369
Change-Id: I7821cf6efe856d5da0ba9c9ddda7a7ad392492e2