Source dd Trace from dd artifact and update sfx to last possible. (#12834)

Author: breedx-splk

instrumentation/external-annotations/javaagent/build.gradle.kts

@@ -18,7 +18,8 @@ dependencies {
   testImplementation("io.opentracing.contrib.dropwizard:dropwizard-opentracing:0.2.2") {
     isTransitive = false
   }
-  testImplementation("com.signalfx.public:signalfx-trace-api:0.48.0-sfx1")
+  testImplementation("com.datadoghq:dd-trace-api:1.43.0")
+  testImplementation("com.signalfx.public:signalfx-trace-api:0.48.0-sfx8")
   // Old and new versions of kamon use different packages for Trace annotation
   testImplementation("io.kamon:kamon-annotation_2.11:0.6.7") {
     isTransitive = false