Add WifiWake metrics proto to WifiLog

  // Number of connectivity single scan requests.

  optional int32 num_connectivity_oneshot_scans = 93;

  // WifiWake statistics

  optional WifiWakeStats wifi_wake_stats = 94;

}

// Information that gets logged for every WiFi connection.

  // Amount of time wifi is in tx (ms)

  optional int64 tx_time_ms = 5;

}

// Metrics for Wifi Wake

message WifiWakeStats {

  // An individual session for Wifi Wake

  message Session {

    // A Wifi Wake lifecycle event

    message Event {

      // Elapsed time in milliseconds since start of session.

      optional int64 elapsed_time_millis = 1;

      // Number of scans that have occurred since start of session.

      optional int32 elapsed_scans = 2;

    }

    // Start time of session in milliseconds.

    optional int64 start_time_millis = 1;

    // The number of networks the lock was initialized with at start.

    optional int32 locked_networks_at_start = 2;

    // Event for unlocking the WakeupLock. Does not occur if lock was initialized with 0 networks.

    optional Event unlock_event = 3;

    // Event for triggering wakeup.

    optional Event wakeup_event = 4;

    // Event for WifiWake reset event. This event marks the end of a session.

    optional Event reset_event = 5;

  }

  // Total number of sessions for Wifi Wake.

  optional int32 num_sessions = 1;

  // Session information for every Wifi Wake session (up to a maximum of 10).

  repeated Session sessions = 2;

}