This diff introduces adding the sessions.disable_deviceid_validation config flag to disable a deviceID format validation in Tunnelbroker.
We are disabling the validation of the deviceID format for using the Tunnelbroker as a Redis replacement, in this case, the deviceID format will be different and we should not validate it.

Linear task: ENG-2640

1. CI checks are successfully passed.
2. This flag is used in the following D6523.

Manual testing:
Adding the disable_deviceid_validation flag to the [sessions] section of the config file results in a true return from the isParameterSet('sessions.disable_deviceid_validation') function call.