Cross Reference: /external/grpc-grpc-java/benchmarks/src/main/proto/grpc/testing

`Name`	`Date`	`Size`
Up to higher level directory
`control.proto`	22-Oct-2020	`7.5K`
`messages.proto`	22-Oct-2020	`5.4K`
`payloads.proto`	22-Oct-2020	`1.2K`
`services.proto`	22-Oct-2020	`3.1K`
`stats.proto`	22-Oct-2020	`2.2K`