Support per-call timeout in JdkHttpClient (#42932)

Author: alzimmermsft

sdk/core/azure-core-http-jdk-httpclient/src/main/java/com/azure/core/http/jdk/httpclient/JdkHttpClient.java

@@ -78,6 +78,9 @@ public Mono<HttpResponse> send(HttpRequest request) {
     public Mono<HttpResponse> send(HttpRequest request, Context context) {
         boolean eagerlyReadResponse = (boolean) context.getData(HttpUtils.AZURE_EAGERLY_READ_RESPONSE).orElse(false);
         boolean ignoreResponseBody = (boolean) context.getData(HttpUtils.AZURE_IGNORE_RESPONSE_BODY).orElse(false);
+        Duration readTimeout = (Duration) context.getData(HttpUtils.AZURE_RESPONSE_TIMEOUT)
+            .filter(timeoutDuration -> timeoutDuration instanceof Duration)
+            .orElse(this.readTimeout);
 
         Mono<java.net.http.HttpRequest> jdkRequestMono = Mono.fromCallable(() -> toJdkHttpRequest(request, context));