Merge "Add data switch realted metrics proto"

    // Phone status change event.

    PHONE_STATUS_CHANGED = 15;

    // Data switch event.

    DATA_SWITCH = 16;

    // Network validate event.

    NETWORK_VALIDATE = 17;

    // On deman data switch event.

    ON_DEMAND_DATA_SWITCH = 18;

  }

  enum ApnType {

      DEFAULT = 0;

      MMS = 1;

      SUPL = 2;

      DUN = 3;

      HIPRI = 4;

      FOTA = 5;

      IMS = 6;

      CBS = 7;

      IA = 8;

      EMERGENCY = 9;

  }

  enum EventState {

      START = 0;

      END = 1;

  }

  enum NetworkValidationState {

      /** The network under validation is initial established. */

      AVAILABLE = 0;

      /** The validation is failed. */

      FAILED = 1;

      /** The validation is passed. */

      PASSED = 2;

  }

  message DataSwitch {

      enum Reason {

          /** Data switch caused by user's manual switch. */

          MANUAL = 0;

          /** Data switch caused by incoming/outgoing call. */

          IN_CALL = 1;

          /** Data switch caused by CBRS switch. */

          CBRS = 2;

      }

      /** The reason for data switch. */

      optional Reason reason = 1;

      /** Current state of the data switch event. */

      optional EventState state = 2;

  }

  message OnDemandDataSwitch {

      /** The apn associated with this event. */

      optional ApnType apn = 1;

      /** Current state of the on demand data switch event. */

      optional EventState state = 2;

  }

  // Setup a packet data connection

  // Phone status

  optional PhoneStatus phone_status = 18;

  // Data switch event

  optional DataSwitch data_switch = 19;

  // For network validate event

  optional NetworkValidationState network_validation_state = 20;

  // On demand data switch event

  optional OnDemandDataSwitch on_demand_data_switch = 21;

}

message ActiveSubscriptionInfo {