http/transport tap: Add a new UDP sink (#37172)

Commit Message:
Add an UDP sink for HTTP/Transport Tap
Additional Description:
See more detailed information in issue
envoyproxy/envoy#36945
Risk Level: low
Testing:
Manual test has been done
Also CPR test is done
see issue 36945 for more information

Docs Changes:
Build is passed
Release Notes:
Platform Specific Features: N/A
[Optional Runtime guard:]
[Optional Fixes #Issue]
[Optional Fixes commit #PR or SHA]
[Optional Deprecated:]
[Optional [API
Considerations](https://github.com/envoyproxy/envoy/blob/main/api/review_checklist.md):]

---------

Signed-off-by: fchen7 <[email protected]>

Mirrored from https://github.com/envoyproxy/envoy @ 1b5740a76ba69851efa0b1397b8f41b9e60c8d80

BUILD

@@ -97,6 +97,7 @@ proto_library(
         "//contrib/envoy/extensions/private_key_providers/qat/v3alpha:pkg",
         "//contrib/envoy/extensions/regex_engines/hyperscan/v3alpha:pkg",
         "//contrib/envoy/extensions/router/cluster_specifier/golang/v3alpha:pkg",
+        "//contrib/envoy/extensions/tap_sinks/udp_sink/v3alpha:pkg",
         "//contrib/envoy/extensions/vcl/v3alpha:pkg",
         "//envoy/admin/v3:pkg",
         "//envoy/config/accesslog/v3:pkg",

contrib/envoy/extensions/tap_sinks/udp_sink/v3alpha/BUILD

@@ -0,0 +1,12 @@
+# DO NOT EDIT. This file is generated by tools/proto_format/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = [
+        "//envoy/config/core/v3:pkg",
+        "@com_github_cncf_xds//udpa/annotations:pkg",
+    ],
+)

contrib/envoy/extensions/tap_sinks/udp_sink/v3alpha/udp_sink.proto

@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+package envoy.extensions.tap_sinks.udp_sink.v3alpha;
+
+import "envoy/config/core/v3/address.proto";
+
+import "udpa/annotations/status.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.tap_sinks.udp_sink.v3alpha";
+option java_outer_classname = "UdpSinkProto";
+option java_multiple_files = true;
+option go_package = "github.com/envoyproxy/go-control-plane/contrib/envoy/extensions/tap_sinks/udp_sink/v3alpha";
+option (udpa.annotations.file_status).package_version_status = ACTIVE;
+
+// [#protodoc-title: Udp sink configuration]
+// [#extension: envoy.tap_sinks.udp_sink]
+
+// Udp sink configuration.
+message UdpSink {
+  // Configure UDP Address.
+  config.core.v3.SocketAddress udp_address = 1;
+}

versioning/BUILD

@@ -35,6 +35,7 @@ proto_library(
         "//contrib/envoy/extensions/private_key_providers/qat/v3alpha:pkg",
         "//contrib/envoy/extensions/regex_engines/hyperscan/v3alpha:pkg",
         "//contrib/envoy/extensions/router/cluster_specifier/golang/v3alpha:pkg",
+        "//contrib/envoy/extensions/tap_sinks/udp_sink/v3alpha:pkg",
         "//contrib/envoy/extensions/vcl/v3alpha:pkg",
         "//envoy/admin/v3:pkg",
         "//envoy/config/accesslog/v3:pkg",