Merge "Docs: Note that a Surface acts like a weak reference" into nyc-mr1-dev...
Merge "Docs: Note that a Surface acts like a weak reference" into nyc-mr1-dev am: 44f4c4fa am: f8b8b6d5
am: 37cdca6d
Change-Id: Ia518956844ade88c31a5f9293a7bb92851c97c69