Cross Reference: /external/grpc-grpc/third_party/nanopb/tests/regression/issue_166

`Name`	`Date`	`Size`
Up to higher level directory
`enum_encoded_size.c`	22-Oct-2020	`1.2K`
`enums.proto`	22-Oct-2020	`238`
`SConscript`	22-Oct-2020	`285`