am 3975280e: (-s ours) am 76afc004: Integrate sdk.atree changes from master. DO NOT MERGE

Merge commit '3975280e0583d45de4708375622b22019a0df9f5'

* commit '3975280e0583d45de4708375622b22019a0df9f5':
  Integrate sdk.atree changes from master. DO NOT MERGE