[Tunnelbroker] handle SetDeviceTokenWithPlatform message

Summary:
ENG-8903.

Updated client to send platform details.

Depends on D12938

Test Plan: Logout/Login on device and check if column is populated in DDB.

Reviewers: bartek, tomek

Reviewed By: bartek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D12939