Add exporter to export Metrics to Open-telemetry collector. This is blocked on release of [open-telemetry/protocol](https://github.com/open-telemetry/opentelemetry-proto).
Add exporter to export Metrics to Open-telemetry collector.
This is blocked on release of open-telemetry/protocol.