This will make it notice the peer-service-mapping settings to set peer.service span attribute
I know this approach is deprecated but I hope to follow this up with another change to use the
new Instrumenter API.
#3009
* Fix webflux client filter subscribe
* Add test
* Fix test
* Fix test, take 2
* Fix another test
* Suppress test for another module
* Suppress another library instrumentation
* Another
* Add nested client suppression in Armeria
* Add comments
* Revert extra line
* Move and rename NetPeerUtils
* Rename NetPeerUtils to NetPeerAttributes; inject instance instead of using a global var
* Rename SpanAttributeSetter to AttributeSetter (might be used to set on AttributesBuilder in the future, who knows)
* Deprecate default BaseTracer constructor: library instrumentations are supposed to inject all dependencies, the javaagent should explicitly pass globals
* fix compilation failure
* Remove peer.service customization from library instrumentation