Merge commit '77a2bc56d09242b3e358308641d8f0bb1c184eb2' * commit '77a2bc56d09242b3e358308641d8f0bb1c184eb2': Mark all legacy contacts APIs as deprecated.
Merge commit '77a2bc56d09242b3e358308641d8f0bb1c184eb2' * commit '77a2bc56d09242b3e358308641d8f0bb1c184eb2': Mark all legacy contacts APIs as deprecated.