Make IncludeExcludePredicate public

[zeitlinger]

Is your feature request related to a problem? Please describe.

open-telemetry/opentelemetry-java-contrib#2031 makes use of IncludeExcludePredicate

Describe the solution you'd like

make the class public

Part of #6970

[jkwatson]

I think we would probably not want to make this a part of our official SDK API surface area. It's an internal utility class, and that's not really the business of the OpenTelemetry SDK to be publishing.

[trask]

maybe not in this form, but I could see an argument for declarative config supporting this in some way that doesn't require copy-pasting this code everywhere (https://github.com/open-telemetry/opentelemetry-configuration/blob/main/CONTRIBUTING.md#properties-which-pattern-matching)

[jkwatson]

maybe not in this form, but I could see an argument for declarative config supporting this in some way that doesn't require copy-pasting this code everywhere (https://github.com/open-telemetry/opentelemetry-configuration/blob/main/CONTRIBUTING.md#properties-which-pattern-matching)

I could see that as a possibility, if @jack-berg is ok supporting it forever as a part of the declarative config APIs.

[zeitlinger]

We could even add a sentence to the spec:

SDKs SHOULD provide a method named ... to parse this