Merge "Add a method in SkCanvas to set "hard" clip bounds." into master-skia

https://skia.googlesource.com/skia/+/5f1bb0a7c5186e797aa0f0d447a68fc3fbf3c2fe

Change-Id: Ib69e2c86778bf9a002beec97cba52e59102d4df7