[Windows] Support original_dst/sidecar (#14753)

Signed-off-by: davinci26 <sotirisnan@gmail.com>

Mirrored from https://github.com/envoyproxy/envoy @ b77157803df9a1e6dff53cc616b32ddbf79f83f2

envoy/api/v2/listener.proto

@@ -195,6 +195,8 @@ message Listener {
   google.protobuf.UInt32Value tcp_fast_open_queue_length = 12;
 
   // Specifies the intended direction of the traffic relative to the local Envoy.
+  // This property is required on Windows for listeners using the original destination filter,
+  // see :ref:`Original Destination <config_listener_filters_original_dst>`.
   core.TrafficDirection traffic_direction = 16;
 
   // If the protocol in the listener socket address in :ref:`protocol

envoy/config/listener/v3/listener.proto

@@ -205,6 +205,8 @@ message Listener {
   google.protobuf.UInt32Value tcp_fast_open_queue_length = 12;
 
   // Specifies the intended direction of the traffic relative to the local Envoy.
+  // This property is required on Windows for listeners using the original destination filter,
+  // see :ref:`Original Destination <config_listener_filters_original_dst>`.
   core.v3.TrafficDirection traffic_direction = 16;
 
   // If the protocol in the listener socket address in :ref:`protocol

envoy/config/listener/v4alpha/listener.proto

@@ -207,6 +207,8 @@ message Listener {
   google.protobuf.UInt32Value tcp_fast_open_queue_length = 12;
 
   // Specifies the intended direction of the traffic relative to the local Envoy.
+  // This property is required on Windows for listeners using the original destination filter,
+  // see :ref:`Original Destination <config_listener_filters_original_dst>`.
   core.v4alpha.TrafficDirection traffic_direction = 16;
 
   // If the protocol in the listener socket address in :ref:`protocol