Merge "Add @Nullable to Object#equals()" am: 577fd4a912

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1574815

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I523eb00d30bfedeb6e7533a94868016171846a59
tree: 309ec97adffe662ff51eeaf4a915feae24b7fdac
  1. core/
  2. services/