MetricsLayer does not really pipe metrics to reader

[Jinwei1987]

Bug Report

metrics reader never get anything from MetricsLayer

Version

opentelemetry = { version = "0.26", features = ["trace"] }
opentelemetry-proto = { version = "0.26", features = ["trace"] }
opentelemetry_sdk = { version = "0.26", features = ["trace", "rt-tokio"] }
tracing-opentelemetry = "0.27"

Description

[mladedav]

I'm not sure what you're trying to say.

What's InstrumentLayer?

What did you expect to happen, what happened and can you share the relevant code?