Merge commit '014517569f6378e90cd3b0b5a3f86dfa9b8bf942' into froyo-plus-aosp * commit '014517569f6378e90cd3b0b5a3f86dfa9b8bf942': docs: revise and add documentation for backup APIs
Merge commit '014517569f6378e90cd3b0b5a3f86dfa9b8bf942' into froyo-plus-aosp * commit '014517569f6378e90cd3b0b5a3f86dfa9b8bf942': docs: revise and add documentation for backup APIs