[automerger skipped] Merge "Add missing nullability annotations." am: 9b361c2674 -s ours
am: db496480ae -s ours
am skip reason: change_id I109260842cfc25f06e40694997fcbb4afa02c867 with SHA1 00be951a08 is in history

Change-Id: I729acc32ce9625df646bf0a820f9f4d95a9d60cf