[services] Tunnelbroker - Fix amqpReady assignment
Summary:
This diff is a part of the stack.
The private variable amqpReady in AmqpManager reflects the state of the AMQP Client connection state.
To update the state we must use only two callbacks:
This diff introduces assignments on OnReady() and removes the unneeded assignments.
Related linear task: ENG-1495
Test Plan:
Successfully built using yarn run-tunnelbroker-service-in-sandbox command.
Passing all AMQP unit tests in the last diff D4749 in a stack.
Reviewers: karol, tomek
Reviewed By: tomek
Subscribers: ashoat, tomek, adrian, atul, karol, abosh
Differential Revision: https://phab.comm.dev/D4742