Renaming message types in api/envoy/service/discovery/v2/hds.proto to improve readability
Risk Level:
Low
This is for #1310.
Signed-off-by: Lilika Markatou <lilika@google.com>
Mirrored from https://github.com/envoyproxy/envoy @ 9b33c49d1ca32e73d761849a617b988ed6b596a7