Cross Reference: /external/grpc-grpc/third_party/nanopb/tests/backwards_compatibility

`Name`	`Date`	`Size`
Up to higher level directory
`alltypes_legacy.c`	22-Oct-2020	`10.3K`
`alltypes_legacy.h`	22-Oct-2020	`11.2K`
`alltypes_legacy.options`	22-Oct-2020	`29`
`alltypes_legacy.proto`	22-Oct-2020	`3.9K`
`decode_legacy.c`	22-Oct-2020	`8.5K`
`encode_legacy.c`	22-Oct-2020	`4.8K`
`SConscript`	22-Oct-2020	`398`