Cross Reference: /external/grpc-grpc/third_party/nanopb/tests/regression/issue_145

`Name`	`Date`	`Size`
Up to higher level directory
`comments.expected`	22-Oct-2020	`32`
`comments.options`	22-Oct-2020	`148`
`comments.proto`	22-Oct-2020	`104`
`SConscript`	22-Oct-2020	`225`