udp: Add a udp_packet_packet_writer_config option to UdpListenerConfig.
Fixes#21200
Risk Level: Low
Testing: Existing and additional tests
Docs Changes: None
Release Notes: Added
Platform Specific Features: N/A
Signed-off-by: Ryan Hamilton <rch@google.com>
Mirrored from https://github.com/envoyproxy/envoy @ 3a7b26aa3909488a8561a232b82845b8b4cd38bb
data-plane-api(Azure Pipelines)