[Feature] Provide an option to turn on/off the telemetry implementation

[phuaxinyuin]

Is your feature request related to a problem? Please describe.
Additional headers are added when using API to post the request which we don't really want to include these extra headers into our message.

Describe the solution you'd like
Can we have an option to turn on/off the telemetry so these extra headers can be included/excluded based on the setting?

[iancooper]

phuaxinyuin As part of V10 we are defining semantic conventions for our telemetry which will include the ability to turn off attributes: #3071