[lib] introduce setting Tunnelbroker device token action

Summary:
ENG-8351.

Action setting device token after response from TB.

Depends on D12536

Test Plan: Tested in next diff

Reviewers: bartek, marcin, inka

Reviewed By: bartek, inka

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D12537