General identity attributes (#396)
General identity attributes (#396)

Co-authored-by: Bogdan Drutu <315ccf64d5700fce428b26783eedef2f04b45764@google.com>
Co-authored-by: Armin Ruech <5375d2e98a78036adfbf90c7f7841c3894b65d4b@gmail.com>

open-telemetry/opentelemetry-specification,open-telemetry/opentelemetry-specification