tracer_newrelic_enabled.go
func Init(app, key string) {
	if _, err := sdk.InitEmbeddedMode(key, app); err != nil {
		panic(err)
	}
}
func Init(app, key string) {
	if _, err := sdk.InitEmbeddedMode(key, app); err != nil {
		panic(err)
	}
}
// Init initializes the embedded newrelic agent with the given app name and license key.