Added browser_name, os, os_version, browser_version response fields for Video SDK Sessions APIs.

New response fields for Video SDK Sessions APIs


## Updated

- New `browser_name`, `os`, `os_version`, `browser_version` response fields in the following **Sessions** APIs:
  - `GET /v2/videosdk/sessions/{sessionId}/users/{userId}/qos`
  - `GET /v2/accounts/{accountId}/videosdk/sessions/{sessionId}/users/{userId}/qos`
  - `GET /v2/videosdk/sessions/{sessionId}/users`
  - `GET /v2/accounts/{accountId}/videosdk/sessions/{sessionId}/users`
  - `GET /v2/videosdk/sessions/{sessionId}/users/qos`
  - `GET /v2/accounts/{accountId}/videosdk/sessions/{sessionId}/users/qos`
