address review comment

Author: laurit

instrumentation/servlet/servlet-3.0/library/src/main/java/io/opentelemetry/instrumentation/servlet/v3_0/internal/Servlet3TelemetryFilter.java

@@ -69,7 +69,12 @@ public void doFilter(ServletRequest request, ServletResponse response, FilterCha
         new ServletRequestContext<>(httpRequest);
     ServletResponseContext<HttpServletResponse> responseContext =
         new ServletResponseContext<>(httpResponse);
-    instrumenter.shouldStart(parentContext, requestContext);
+
+    if (!instrumenter.shouldStart(parentContext, requestContext)) {
+      filterChain.doFilter(request, response);
+      return;
+    }
+
     Context context = instrumenter.start(parentContext, requestContext);
 
     if (addTraceIdRequestAttribute) {